Home / 9,080.88-12,531.40-5,102.16

Finding the Fourth Proportional to 9,080.88, 12,531.40 and 5,102.16

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Solution

The fourth proportional to 9,080.88, 12,531.40 and 5,102.16 is: 7,040.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,080.88 : 12,531.40 = 5,102.16 : x
  2. Step 2: Convert to fraction form
    9,080.88/12,531.40 = 5,102.16/x
  3. Step 3: Cross multiply
    9,080.88x = 12,531.40 × 5,102.16
  4. Step 4: Simplify right side
    9,080.88x = 63,937,207.82
  5. Step 5: Solve for x
    x = 63,937,207.82/9,080.88
  6. Step 6: Final answer
    x = 7,040.86

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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.