Home / 5,426.25-8,123.54-3,339.92

Finding the Fourth Proportional to 5,426.25, 8,123.54 and 3,339.92

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Solution

The fourth proportional to 5,426.25, 8,123.54 and 3,339.92 is: 5,000.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.25 : 8,123.54 = 3,339.92 : x
  2. Step 2: Convert to fraction form
    5,426.25/8,123.54 = 3,339.92/x
  3. Step 3: Cross multiply
    5,426.25x = 8,123.54 × 3,339.92
  4. Step 4: Simplify right side
    5,426.25x = 27,131,916.40
  5. Step 5: Solve for x
    x = 27,131,916.40/5,426.25
  6. Step 6: Final answer
    x = 5,000.12

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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.