Home / 9,079.12-13,615.17-3,531.72

Finding the Fourth Proportional to 9,079.12, 13,615.17 and 3,531.72

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Solution

The fourth proportional to 9,079.12, 13,615.17 and 3,531.72 is: 5,296.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.12 : 13,615.17 = 3,531.72 : x
  2. Step 2: Convert to fraction form
    9,079.12/13,615.17 = 3,531.72/x
  3. Step 3: Cross multiply
    9,079.12x = 13,615.17 × 3,531.72
  4. Step 4: Simplify right side
    9,079.12x = 48,084,900.12
  5. Step 5: Solve for x
    x = 48,084,900.12/9,079.12
  6. Step 6: Final answer
    x = 5,296.21

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1.5x scale

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.