Home / 7,321.52-10,104.88-4,490.46

Finding the Fourth Proportional to 7,321.52, 10,104.88 and 4,490.46

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Solution

The fourth proportional to 7,321.52, 10,104.88 and 4,490.46 is: 6,197.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.52 : 10,104.88 = 4,490.46 : x
  2. Step 2: Convert to fraction form
    7,321.52/10,104.88 = 4,490.46/x
  3. Step 3: Cross multiply
    7,321.52x = 10,104.88 × 4,490.46
  4. Step 4: Simplify right side
    7,321.52x = 45,375,559.44
  5. Step 5: Solve for x
    x = 45,375,559.44/7,321.52
  6. Step 6: Final answer
    x = 6,197.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.