Home / 8,535.76-11,776.44-5,555.68

Finding the Fourth Proportional to 8,535.76, 11,776.44 and 5,555.68

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Solution

The fourth proportional to 8,535.76, 11,776.44 and 5,555.68 is: 7,664.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,535.76 : 11,776.44 = 5,555.68 : x
  2. Step 2: Convert to fraction form
    8,535.76/11,776.44 = 5,555.68/x
  3. Step 3: Cross multiply
    8,535.76x = 11,776.44 × 5,555.68
  4. Step 4: Simplify right side
    8,535.76x = 65,426,132.18
  5. Step 5: Solve for x
    x = 65,426,132.18/8,535.76
  6. Step 6: Final answer
    x = 7,664.95

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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.