Home / 6,410.90-9,600.15-4,207.70

Finding the Fourth Proportional to 6,410.90, 9,600.15 and 4,207.70

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Solution

The fourth proportional to 6,410.90, 9,600.15 and 4,207.70 is: 6,300.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410.90 : 9,600.15 = 4,207.70 : x
  2. Step 2: Convert to fraction form
    6,410.90/9,600.15 = 4,207.70/x
  3. Step 3: Cross multiply
    6,410.90x = 9,600.15 × 4,207.70
  4. Step 4: Simplify right side
    6,410.90x = 40,394,551.16
  5. Step 5: Solve for x
    x = 40,394,551.16/6,410.90
  6. Step 6: Final answer
    x = 6,300.92

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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.