Home / 4,657.08-6,990.48-3,425.88

Finding the Fourth Proportional to 4,657.08, 6,990.48 and 3,425.88

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Solution

The fourth proportional to 4,657.08, 6,990.48 and 3,425.88 is: 5,142.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,657.08 : 6,990.48 = 3,425.88 : x
  2. Step 2: Convert to fraction form
    4,657.08/6,990.48 = 3,425.88/x
  3. Step 3: Cross multiply
    4,657.08x = 6,990.48 × 3,425.88
  4. Step 4: Simplify right side
    4,657.08x = 23,948,545.62
  5. Step 5: Solve for x
    x = 23,948,545.62/4,657.08
  6. Step 6: Final answer
    x = 5,142.40

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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.