Home / 8,374.32-12,561.60-3,992.24

Finding the Fourth Proportional to 8,374.32, 12,561.60 and 3,992.24

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Solution

The fourth proportional to 8,374.32, 12,561.60 and 3,992.24 is: 5,988.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.32 : 12,561.60 = 3,992.24 : x
  2. Step 2: Convert to fraction form
    8,374.32/12,561.60 = 3,992.24/x
  3. Step 3: Cross multiply
    8,374.32x = 12,561.60 × 3,992.24
  4. Step 4: Simplify right side
    8,374.32x = 50,148,921.98
  5. Step 5: Solve for x
    x = 50,148,921.98/8,374.32
  6. Step 6: Final answer
    x = 5,988.42

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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.