Home / 7,434.40-11,137.78-3,732.30

Finding the Fourth Proportional to 7,434.40, 11,137.78 and 3,732.30

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Solution

The fourth proportional to 7,434.40, 11,137.78 and 3,732.30 is: 5,591.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.40 : 11,137.78 = 3,732.30 : x
  2. Step 2: Convert to fraction form
    7,434.40/11,137.78 = 3,732.30/x
  3. Step 3: Cross multiply
    7,434.40x = 11,137.78 × 3,732.30
  4. Step 4: Simplify right side
    7,434.40x = 41,569,536.29
  5. Step 5: Solve for x
    x = 41,569,536.29/7,434.40
  6. Step 6: Final answer
    x = 5,591.51

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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.