Home / 6,115.20-8,438.82-3,463.26

Finding the Fourth Proportional to 6,115.20, 8,438.82 and 3,463.26

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Solution

The fourth proportional to 6,115.20, 8,438.82 and 3,463.26 is: 4,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.20 : 8,438.82 = 3,463.26 : x
  2. Step 2: Convert to fraction form
    6,115.20/8,438.82 = 3,463.26/x
  3. Step 3: Cross multiply
    6,115.20x = 8,438.82 × 3,463.26
  4. Step 4: Simplify right side
    6,115.20x = 29,225,827.75
  5. Step 5: Solve for x
    x = 29,225,827.75/6,115.20
  6. Step 6: Final answer
    x = 4,779.21

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1.5x scale

Why These Related Problems?

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