Home / 7,423.38-11,134.04-1,876.38

Finding the Fourth Proportional to 7,423.38, 11,134.04 and 1,876.38

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Solution

The fourth proportional to 7,423.38, 11,134.04 and 1,876.38 is: 2,814.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.38 : 11,134.04 = 1,876.38 : x
  2. Step 2: Convert to fraction form
    7,423.38/11,134.04 = 1,876.38/x
  3. Step 3: Cross multiply
    7,423.38x = 11,134.04 × 1,876.38
  4. Step 4: Simplify right side
    7,423.38x = 20,891,680.59
  5. Step 5: Solve for x
    x = 20,891,680.59/7,423.38
  6. Step 6: Final answer
    x = 2,814.31

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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.