Home / 6,714.28-10,074.30-3,788.20

Finding the Fourth Proportional to 6,714.28, 10,074.30 and 3,788.20

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Solution

The fourth proportional to 6,714.28, 10,074.30 and 3,788.20 is: 5,683.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,714.28 : 10,074.30 = 3,788.20 : x
  2. Step 2: Convert to fraction form
    6,714.28/10,074.30 = 3,788.20/x
  3. Step 3: Cross multiply
    6,714.28x = 10,074.30 × 3,788.20
  4. Step 4: Simplify right side
    6,714.28x = 38,163,463.26
  5. Step 5: Solve for x
    x = 38,163,463.26/6,714.28
  6. Step 6: Final answer
    x = 5,683.92

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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.