Home / 5,545.80-7,651.37-3,658.31

Finding the Fourth Proportional to 5,545.80, 7,651.37 and 3,658.31

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Solution

The fourth proportional to 5,545.80, 7,651.37 and 3,658.31 is: 5,047.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.80 : 7,651.37 = 3,658.31 : x
  2. Step 2: Convert to fraction form
    5,545.80/7,651.37 = 3,658.31/x
  3. Step 3: Cross multiply
    5,545.80x = 7,651.37 × 3,658.31
  4. Step 4: Simplify right side
    5,545.80x = 27,991,084.22
  5. Step 5: Solve for x
    x = 27,991,084.22/5,545.80
  6. Step 6: Final answer
    x = 5,047.26

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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.