Home / 7,425.74-11,138.56-3,043.20

Finding the Fourth Proportional to 7,425.74, 11,138.56 and 3,043.20

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Solution

The fourth proportional to 7,425.74, 11,138.56 and 3,043.20 is: 4,564.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.74 : 11,138.56 = 3,043.20 : x
  2. Step 2: Convert to fraction form
    7,425.74/11,138.56 = 3,043.20/x
  3. Step 3: Cross multiply
    7,425.74x = 11,138.56 × 3,043.20
  4. Step 4: Simplify right side
    7,425.74x = 33,896,865.79
  5. Step 5: Solve for x
    x = 33,896,865.79/7,425.74
  6. Step 6: Final answer
    x = 4,564.78

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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.