Home / 5,545.80-8,318.48-3,778.18

Finding the Fourth Proportional to 5,545.80, 8,318.48 and 3,778.18

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Solution

The fourth proportional to 5,545.80, 8,318.48 and 3,778.18 is: 5,667.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.80 : 8,318.48 = 3,778.18 : x
  2. Step 2: Convert to fraction form
    5,545.80/8,318.48 = 3,778.18/x
  3. Step 3: Cross multiply
    5,545.80x = 8,318.48 × 3,778.18
  4. Step 4: Simplify right side
    5,545.80x = 31,428,675.08
  5. Step 5: Solve for x
    x = 31,428,675.08/5,545.80
  6. Step 6: Final answer
    x = 5,667.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.