Home / 7,423.28-11,134.92-3,042.80

Finding the Fourth Proportional to 7,423.28, 11,134.92 and 3,042.80

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Solution

The fourth proportional to 7,423.28, 11,134.92 and 3,042.80 is: 4,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.28 : 11,134.92 = 3,042.80 : x
  2. Step 2: Convert to fraction form
    7,423.28/11,134.92 = 3,042.80/x
  3. Step 3: Cross multiply
    7,423.28x = 11,134.92 × 3,042.80
  4. Step 4: Simplify right side
    7,423.28x = 33,881,334.58
  5. Step 5: Solve for x
    x = 33,881,334.58/7,423.28
  6. Step 6: Final answer
    x = 4,564.20

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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.