Home / 8,374.11-12,560.30-4,212.42

Finding the Fourth Proportional to 8,374.11, 12,560.30 and 4,212.42

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Solution

The fourth proportional to 8,374.11, 12,560.30 and 4,212.42 is: 6,318.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.11 : 12,560.30 = 4,212.42 : x
  2. Step 2: Convert to fraction form
    8,374.11/12,560.30 = 4,212.42/x
  3. Step 3: Cross multiply
    8,374.11x = 12,560.30 × 4,212.42
  4. Step 4: Simplify right side
    8,374.11x = 52,909,258.93
  5. Step 5: Solve for x
    x = 52,909,258.93/8,374.11
  6. Step 6: Final answer
    x = 6,318.19

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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.