Home / 4,142.47-6,212.98-1,545.43

Finding the Fourth Proportional to 4,142.47, 6,212.98 and 1,545.43

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Solution

The fourth proportional to 4,142.47, 6,212.98 and 1,545.43 is: 2,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.47 : 6,212.98 = 1,545.43 : x
  2. Step 2: Convert to fraction form
    4,142.47/6,212.98 = 1,545.43/x
  3. Step 3: Cross multiply
    4,142.47x = 6,212.98 × 1,545.43
  4. Step 4: Simplify right side
    4,142.47x = 9,601,725.68
  5. Step 5: Solve for x
    x = 9,601,725.68/4,142.47
  6. Step 6: Final answer
    x = 2,317.87

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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.