Home / 5,149.61-7,730.81-5,125.92

Finding the Fourth Proportional to 5,149.61, 7,730.81 and 5,125.92

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Solution

The fourth proportional to 5,149.61, 7,730.81 and 5,125.92 is: 7,695.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.61 : 7,730.81 = 5,125.92 : x
  2. Step 2: Convert to fraction form
    5,149.61/7,730.81 = 5,125.92/x
  3. Step 3: Cross multiply
    5,149.61x = 7,730.81 × 5,125.92
  4. Step 4: Simplify right side
    5,149.61x = 39,627,478.20
  5. Step 5: Solve for x
    x = 39,627,478.20/5,149.61
  6. Step 6: Final answer
    x = 7,695.24

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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.