Home / 5,160.90-7,737.45-2,565.66

Finding the Fourth Proportional to 5,160.90, 7,737.45 and 2,565.66

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Solution

The fourth proportional to 5,160.90, 7,737.45 and 2,565.66 is: 3,846.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.90 : 7,737.45 = 2,565.66 : x
  2. Step 2: Convert to fraction form
    5,160.90/7,737.45 = 2,565.66/x
  3. Step 3: Cross multiply
    5,160.90x = 7,737.45 × 2,565.66
  4. Step 4: Simplify right side
    5,160.90x = 19,851,665.97
  5. Step 5: Solve for x
    x = 19,851,665.97/5,160.90
  6. Step 6: Final answer
    x = 3,846.55

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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.