Home / 5,545.36-7,650.76-3,657.88

Finding the Fourth Proportional to 5,545.36, 7,650.76 and 3,657.88

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Solution

The fourth proportional to 5,545.36, 7,650.76 and 3,657.88 is: 5,046.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.36 : 7,650.76 = 3,657.88 : x
  2. Step 2: Convert to fraction form
    5,545.36/7,650.76 = 3,657.88/x
  3. Step 3: Cross multiply
    5,545.36x = 7,650.76 × 3,657.88
  4. Step 4: Simplify right side
    5,545.36x = 27,985,561.99
  5. Step 5: Solve for x
    x = 27,985,561.99/5,545.36
  6. Step 6: Final answer
    x = 5,046.66

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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.