Home / 8,666.06-11,959.16-5,080.28

Finding the Fourth Proportional to 8,666.06, 11,959.16 and 5,080.28

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Solution

The fourth proportional to 8,666.06, 11,959.16 and 5,080.28 is: 7,010.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.06 : 11,959.16 = 5,080.28 : x
  2. Step 2: Convert to fraction form
    8,666.06/11,959.16 = 5,080.28/x
  3. Step 3: Cross multiply
    8,666.06x = 11,959.16 × 5,080.28
  4. Step 4: Simplify right side
    8,666.06x = 60,755,796.17
  5. Step 5: Solve for x
    x = 60,755,796.17/8,666.06
  6. Step 6: Final answer
    x = 7,010.78

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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.