Home / 6,115.47-8,439.77-3,462.90

Finding the Fourth Proportional to 6,115.47, 8,439.77 and 3,462.90

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Solution

The fourth proportional to 6,115.47, 8,439.77 and 3,462.90 is: 4,779.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.47 : 8,439.77 = 3,462.90 : x
  2. Step 2: Convert to fraction form
    6,115.47/8,439.77 = 3,462.90/x
  3. Step 3: Cross multiply
    6,115.47x = 8,439.77 × 3,462.90
  4. Step 4: Simplify right side
    6,115.47x = 29,226,079.53
  5. Step 5: Solve for x
    x = 29,226,079.53/6,115.47
  6. Step 6: Final answer
    x = 4,779.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.