Home / 5,423.38-8,135.31-2,302.93

Finding the Fourth Proportional to 5,423.38, 8,135.31 and 2,302.93

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Solution

The fourth proportional to 5,423.38, 8,135.31 and 2,302.93 is: 3,454.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.38 : 8,135.31 = 2,302.93 : x
  2. Step 2: Convert to fraction form
    5,423.38/8,135.31 = 2,302.93/x
  3. Step 3: Cross multiply
    5,423.38x = 8,135.31 × 2,302.93
  4. Step 4: Simplify right side
    5,423.38x = 18,735,049.46
  5. Step 5: Solve for x
    x = 18,735,049.46/5,423.38
  6. Step 6: Final answer
    x = 3,454.50

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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.