Home / 7,959.06-10,988.43-5,131.29

Finding the Fourth Proportional to 7,959.06, 10,988.43 and 5,131.29

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Solution

The fourth proportional to 7,959.06, 10,988.43 and 5,131.29 is: 7,084.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.06 : 10,988.43 = 5,131.29 : x
  2. Step 2: Convert to fraction form
    7,959.06/10,988.43 = 5,131.29/x
  3. Step 3: Cross multiply
    7,959.06x = 10,988.43 × 5,131.29
  4. Step 4: Simplify right side
    7,959.06x = 56,384,820.97
  5. Step 5: Solve for x
    x = 56,384,820.97/7,959.06
  6. Step 6: Final answer
    x = 7,084.36

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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.