Home / 5,423.38-7,439.25-5,376.58

Finding the Fourth Proportional to 5,423.38, 7,439.25 and 5,376.58

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Solution

The fourth proportional to 5,423.38, 7,439.25 and 5,376.58 is: 7,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.38 : 7,439.25 = 5,376.58 : x
  2. Step 2: Convert to fraction form
    5,423.38/7,439.25 = 5,376.58/x
  3. Step 3: Cross multiply
    5,423.38x = 7,439.25 × 5,376.58
  4. Step 4: Simplify right side
    5,423.38x = 39,997,722.77
  5. Step 5: Solve for x
    x = 39,997,722.77/5,423.38
  6. Step 6: Final answer
    x = 7,375.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.