Home / 5,143.39-7,715.44-2,545.63

Finding the Fourth Proportional to 5,143.39, 7,715.44 and 2,545.63

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Solution

The fourth proportional to 5,143.39, 7,715.44 and 2,545.63 is: 3,818.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.39 : 7,715.44 = 2,545.63 : x
  2. Step 2: Convert to fraction form
    5,143.39/7,715.44 = 2,545.63/x
  3. Step 3: Cross multiply
    5,143.39x = 7,715.44 × 2,545.63
  4. Step 4: Simplify right side
    5,143.39x = 19,640,610.59
  5. Step 5: Solve for x
    x = 19,640,610.59/5,143.39
  6. Step 6: Final answer
    x = 3,818.62

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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.