Home / 7,487.43-11,228.71-2,488.46

Finding the Fourth Proportional to 7,487.43, 11,228.71 and 2,488.46

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Solution

The fourth proportional to 7,487.43, 11,228.71 and 2,488.46 is: 3,731.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.43 : 11,228.71 = 2,488.46 : x
  2. Step 2: Convert to fraction form
    7,487.43/11,228.71 = 2,488.46/x
  3. Step 3: Cross multiply
    7,487.43x = 11,228.71 × 2,488.46
  4. Step 4: Simplify right side
    7,487.43x = 27,942,139.54
  5. Step 5: Solve for x
    x = 27,942,139.54/7,487.43
  6. Step 6: Final answer
    x = 3,731.87

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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.