Home / 4,123.71-6,185.87-1,658.54

Finding the Fourth Proportional to 4,123.71, 6,185.87 and 1,658.54

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Solution

The fourth proportional to 4,123.71, 6,185.87 and 1,658.54 is: 2,487.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.71 : 6,185.87 = 1,658.54 : x
  2. Step 2: Convert to fraction form
    4,123.71/6,185.87 = 1,658.54/x
  3. Step 3: Cross multiply
    4,123.71x = 6,185.87 × 1,658.54
  4. Step 4: Simplify right side
    4,123.71x = 10,259,473.61
  5. Step 5: Solve for x
    x = 10,259,473.61/4,123.71
  6. Step 6: Final answer
    x = 2,487.92

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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.