Home / 8,373.11-12,558.80-4,211.42

Finding the Fourth Proportional to 8,373.11, 12,558.80 and 4,211.42

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Solution

The fourth proportional to 8,373.11, 12,558.80 and 4,211.42 is: 6,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.11 : 12,558.80 = 4,211.42 : x
  2. Step 2: Convert to fraction form
    8,373.11/12,558.80 = 4,211.42/x
  3. Step 3: Cross multiply
    8,373.11x = 12,558.80 × 4,211.42
  4. Step 4: Simplify right side
    8,373.11x = 52,890,423.42
  5. Step 5: Solve for x
    x = 52,890,423.42/8,373.11
  6. Step 6: Final answer
    x = 6,316.70

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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.