Home / 7,640.97-10,545.18-4,283.73

Finding the Fourth Proportional to 7,640.97, 10,545.18 and 4,283.73

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Solution

The fourth proportional to 7,640.97, 10,545.18 and 4,283.73 is: 5,911.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640.97 : 10,545.18 = 4,283.73 : x
  2. Step 2: Convert to fraction form
    7,640.97/10,545.18 = 4,283.73/x
  3. Step 3: Cross multiply
    7,640.97x = 10,545.18 × 4,283.73
  4. Step 4: Simplify right side
    7,640.97x = 45,172,703.92
  5. Step 5: Solve for x
    x = 45,172,703.92/7,640.97
  6. Step 6: Final answer
    x = 5,911.91

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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.