Home / 5,104.92-7,656.90-1,641.24

Finding the Fourth Proportional to 5,104.92, 7,656.90 and 1,641.24

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Solution

The fourth proportional to 5,104.92, 7,656.90 and 1,641.24 is: 2,461.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.92 : 7,656.90 = 1,641.24 : x
  2. Step 2: Convert to fraction form
    5,104.92/7,656.90 = 1,641.24/x
  3. Step 3: Cross multiply
    5,104.92x = 7,656.90 × 1,641.24
  4. Step 4: Simplify right side
    5,104.92x = 12,566,810.56
  5. Step 5: Solve for x
    x = 12,566,810.56/5,104.92
  6. Step 6: Final answer
    x = 2,461.71

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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.