Home / 5,158.02-7,737.45-1,648.53

Finding the Fourth Proportional to 5,158.02, 7,737.45 and 1,648.53

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Solution

The fourth proportional to 5,158.02, 7,737.45 and 1,648.53 is: 2,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.02 : 7,737.45 = 1,648.53 : x
  2. Step 2: Convert to fraction form
    5,158.02/7,737.45 = 1,648.53/x
  3. Step 3: Cross multiply
    5,158.02x = 7,737.45 × 1,648.53
  4. Step 4: Simplify right side
    5,158.02x = 12,755,418.45
  5. Step 5: Solve for x
    x = 12,755,418.45/5,158.02
  6. Step 6: Final answer
    x = 2,472.93

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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.