Home / 8,755.17-13,130.73-2,515.13

Finding the Fourth Proportional to 8,755.17, 13,130.73 and 2,515.13

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Solution

The fourth proportional to 8,755.17, 13,130.73 and 2,515.13 is: 3,772.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.17 : 13,130.73 = 2,515.13 : x
  2. Step 2: Convert to fraction form
    8,755.17/13,130.73 = 2,515.13/x
  3. Step 3: Cross multiply
    8,755.17x = 13,130.73 × 2,515.13
  4. Step 4: Simplify right side
    8,755.17x = 33,025,427.29
  5. Step 5: Solve for x
    x = 33,025,427.29/8,755.17
  6. Step 6: Final answer
    x = 3,772.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.