Home / 10,337.22-15,490.44-4,490.64

Finding the Fourth Proportional to 10,337.22, 15,490.44 and 4,490.64

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Solution

The fourth proportional to 10,337.22, 15,490.44 and 4,490.64 is: 6,729.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,337.22 : 15,490.44 = 4,490.64 : x
  2. Step 2: Convert to fraction form
    10,337.22/15,490.44 = 4,490.64/x
  3. Step 3: Cross multiply
    10,337.22x = 15,490.44 × 4,490.64
  4. Step 4: Simplify right side
    10,337.22x = 69,561,989.48
  5. Step 5: Solve for x
    x = 69,561,989.48/10,337.22
  6. Step 6: Final answer
    x = 6,729.27

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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.