Home / 5,545.18-8,313.27-3,785.75

Finding the Fourth Proportional to 5,545.18, 8,313.27 and 3,785.75

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Solution

The fourth proportional to 5,545.18, 8,313.27 and 3,785.75 is: 5,675.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.18 : 8,313.27 = 3,785.75 : x
  2. Step 2: Convert to fraction form
    5,545.18/8,313.27 = 3,785.75/x
  3. Step 3: Cross multiply
    5,545.18x = 8,313.27 × 3,785.75
  4. Step 4: Simplify right side
    5,545.18x = 31,471,951.51
  5. Step 5: Solve for x
    x = 31,471,951.51/5,545.18
  6. Step 6: Final answer
    x = 5,675.55

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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.