Home / 8,925.56-13,390.40-3,003.20

Finding the Fourth Proportional to 8,925.56, 13,390.40 and 3,003.20

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Solution

The fourth proportional to 8,925.56, 13,390.40 and 3,003.20 is: 4,505.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925.56 : 13,390.40 = 3,003.20 : x
  2. Step 2: Convert to fraction form
    8,925.56/13,390.40 = 3,003.20/x
  3. Step 3: Cross multiply
    8,925.56x = 13,390.40 × 3,003.20
  4. Step 4: Simplify right side
    8,925.56x = 40,214,049.28
  5. Step 5: Solve for x
    x = 40,214,049.28/8,925.56
  6. Step 6: Final answer
    x = 4,505.49

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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.