Home / 8,302.77-11,457.18-5,277.69

Finding the Fourth Proportional to 8,302.77, 11,457.18 and 5,277.69

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Solution

The fourth proportional to 8,302.77, 11,457.18 and 5,277.69 is: 7,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.77 : 11,457.18 = 5,277.69 : x
  2. Step 2: Convert to fraction form
    8,302.77/11,457.18 = 5,277.69/x
  3. Step 3: Cross multiply
    8,302.77x = 11,457.18 × 5,277.69
  4. Step 4: Simplify right side
    8,302.77x = 60,467,444.31
  5. Step 5: Solve for x
    x = 60,467,444.31/8,302.77
  6. Step 6: Final answer
    x = 7,282.80

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Half scale
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Double scale
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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.