Home / 7,542.40-11,313.60-4,043.20

Finding the Fourth Proportional to 7,542.40, 11,313.60 and 4,043.20

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Solution

The fourth proportional to 7,542.40, 11,313.60 and 4,043.20 is: 6,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.40 : 11,313.60 = 4,043.20 : x
  2. Step 2: Convert to fraction form
    7,542.40/11,313.60 = 4,043.20/x
  3. Step 3: Cross multiply
    7,542.40x = 11,313.60 × 4,043.20
  4. Step 4: Simplify right side
    7,542.40x = 45,743,147.52
  5. Step 5: Solve for x
    x = 45,743,147.52/7,542.40
  6. Step 6: Final answer
    x = 6,064.80

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Similar ratio
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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.