Home / 5,124.97-7,680.76-2,487.34

Finding the Fourth Proportional to 5,124.97, 7,680.76 and 2,487.34

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Solution

The fourth proportional to 5,124.97, 7,680.76 and 2,487.34 is: 3,727.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.97 : 7,680.76 = 2,487.34 : x
  2. Step 2: Convert to fraction form
    5,124.97/7,680.76 = 2,487.34/x
  3. Step 3: Cross multiply
    5,124.97x = 7,680.76 × 2,487.34
  4. Step 4: Simplify right side
    5,124.97x = 19,104,664.96
  5. Step 5: Solve for x
    x = 19,104,664.96/5,124.97
  6. Step 6: Final answer
    x = 3,727.76

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1.5x scale

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.