Home / 6,545.80-9,823.89-3,426.76

Finding the Fourth Proportional to 6,545.80, 9,823.89 and 3,426.76

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Solution

The fourth proportional to 6,545.80, 9,823.89 and 3,426.76 is: 5,142.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.80 : 9,823.89 = 3,426.76 : x
  2. Step 2: Convert to fraction form
    6,545.80/9,823.89 = 3,426.76/x
  3. Step 3: Cross multiply
    6,545.80x = 9,823.89 × 3,426.76
  4. Step 4: Simplify right side
    6,545.80x = 33,664,064.18
  5. Step 5: Solve for x
    x = 33,664,064.18/6,545.80
  6. Step 6: Final answer
    x = 5,142.85

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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.