Home / 6,129.32-9,172.08-5,717.43

Finding the Fourth Proportional to 6,129.32, 9,172.08 and 5,717.43

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Solution

The fourth proportional to 6,129.32, 9,172.08 and 5,717.43 is: 8,555.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.32 : 9,172.08 = 5,717.43 : x
  2. Step 2: Convert to fraction form
    6,129.32/9,172.08 = 5,717.43/x
  3. Step 3: Cross multiply
    6,129.32x = 9,172.08 × 5,717.43
  4. Step 4: Simplify right side
    6,129.32x = 52,440,725.35
  5. Step 5: Solve for x
    x = 52,440,725.35/6,129.32
  6. Step 6: Final answer
    x = 8,555.72

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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.