Home / 5,545.45-7,653.50-3,187.18

Finding the Fourth Proportional to 5,545.45, 7,653.50 and 3,187.18

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Solution

The fourth proportional to 5,545.45, 7,653.50 and 3,187.18 is: 4,398.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.45 : 7,653.50 = 3,187.18 : x
  2. Step 2: Convert to fraction form
    5,545.45/7,653.50 = 3,187.18/x
  3. Step 3: Cross multiply
    5,545.45x = 7,653.50 × 3,187.18
  4. Step 4: Simplify right side
    5,545.45x = 24,393,082.13
  5. Step 5: Solve for x
    x = 24,393,082.13/5,545.45
  6. Step 6: Final answer
    x = 4,398.76

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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.