Home / 5,545.18-7,648.95-3,777.58

Finding the Fourth Proportional to 5,545.18, 7,648.95 and 3,777.58

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Solution

The fourth proportional to 5,545.18, 7,648.95 and 3,777.58 is: 5,210.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.18 : 7,648.95 = 3,777.58 : x
  2. Step 2: Convert to fraction form
    5,545.18/7,648.95 = 3,777.58/x
  3. Step 3: Cross multiply
    5,545.18x = 7,648.95 × 3,777.58
  4. Step 4: Simplify right side
    5,545.18x = 28,894,520.54
  5. Step 5: Solve for x
    x = 28,894,520.54/5,545.18
  6. Step 6: Final answer
    x = 5,210.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.