Home / 5,545.79-7,655.70-3,658.49

Finding the Fourth Proportional to 5,545.79, 7,655.70 and 3,658.49

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Solution

The fourth proportional to 5,545.79, 7,655.70 and 3,658.49 is: 5,050.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.79 : 7,655.70 = 3,658.49 : x
  2. Step 2: Convert to fraction form
    5,545.79/7,655.70 = 3,658.49/x
  3. Step 3: Cross multiply
    5,545.79x = 7,655.70 × 3,658.49
  4. Step 4: Simplify right side
    5,545.79x = 28,008,301.89
  5. Step 5: Solve for x
    x = 28,008,301.89/5,545.79
  6. Step 6: Final answer
    x = 5,050.37

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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.