Home / 8,374.12-12,561.45-4,211.86

Finding the Fourth Proportional to 8,374.12, 12,561.45 and 4,211.86

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Solution

The fourth proportional to 8,374.12, 12,561.45 and 4,211.86 is: 6,317.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.12 : 12,561.45 = 4,211.86 : x
  2. Step 2: Convert to fraction form
    8,374.12/12,561.45 = 4,211.86/x
  3. Step 3: Cross multiply
    8,374.12x = 12,561.45 × 4,211.86
  4. Step 4: Simplify right side
    8,374.12x = 52,906,984.93
  5. Step 5: Solve for x
    x = 52,906,984.93/8,374.12
  6. Step 6: Final answer
    x = 6,317.92

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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.