Home / 8,300.76-11,431.58-7,305.68

Finding the Fourth Proportional to 8,300.76, 11,431.58 and 7,305.68

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Solution

The fourth proportional to 8,300.76, 11,431.58 and 7,305.68 is: 10,061.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300.76 : 11,431.58 = 7,305.68 : x
  2. Step 2: Convert to fraction form
    8,300.76/11,431.58 = 7,305.68/x
  3. Step 3: Cross multiply
    8,300.76x = 11,431.58 × 7,305.68
  4. Step 4: Simplify right side
    8,300.76x = 83,515,371.69
  5. Step 5: Solve for x
    x = 83,515,371.69/8,300.76
  6. Step 6: Final answer
    x = 10,061.17

Related Problems

Find fourth proportional to 4,150.38, 5,715.79 and 3,652.84
Half scale
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Double scale
Find fourth proportional to 8,301.76, 11,432.95 and 7,306.68
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.