Home / 4,165.28-6,244.32-1,972.88

Finding the Fourth Proportional to 4,165.28, 6,244.32 and 1,972.88

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Solution

The fourth proportional to 4,165.28, 6,244.32 and 1,972.88 is: 2,957.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,165.28 : 6,244.32 = 1,972.88 : x
  2. Step 2: Convert to fraction form
    4,165.28/6,244.32 = 1,972.88/x
  3. Step 3: Cross multiply
    4,165.28x = 6,244.32 × 1,972.88
  4. Step 4: Simplify right side
    4,165.28x = 12,319,294.04
  5. Step 5: Solve for x
    x = 12,319,294.04/4,165.28
  6. Step 6: Final answer
    x = 2,957.61

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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.