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Finding the Fourth Proportional to 5,002.64, 7,504.80 and 1,714.88

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Solution

The fourth proportional to 5,002.64, 7,504.80 and 1,714.88 is: 2,572.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,002.64 : 7,504.80 = 1,714.88 : x
  2. Step 2: Convert to fraction form
    5,002.64/7,504.80 = 1,714.88/x
  3. Step 3: Cross multiply
    5,002.64x = 7,504.80 × 1,714.88
  4. Step 4: Simplify right side
    5,002.64x = 12,869,831.42
  5. Step 5: Solve for x
    x = 12,869,831.42/5,002.64
  6. Step 6: Final answer
    x = 2,572.61

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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.