Home / 8,714.28-13,073.04-2,871.12

Finding the Fourth Proportional to 8,714.28, 13,073.04 and 2,871.12

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Solution

The fourth proportional to 8,714.28, 13,073.04 and 2,871.12 is: 4,307.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,714.28 : 13,073.04 = 2,871.12 : x
  2. Step 2: Convert to fraction form
    8,714.28/13,073.04 = 2,871.12/x
  3. Step 3: Cross multiply
    8,714.28x = 13,073.04 × 2,871.12
  4. Step 4: Simplify right side
    8,714.28x = 37,534,266.60
  5. Step 5: Solve for x
    x = 37,534,266.60/8,714.28
  6. Step 6: Final answer
    x = 4,307.21

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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.