Home / 6,381.35-8,803.23-4,257.86

Finding the Fourth Proportional to 6,381.35, 8,803.23 and 4,257.86

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Solution

The fourth proportional to 6,381.35, 8,803.23 and 4,257.86 is: 5,873.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.35 : 8,803.23 = 4,257.86 : x
  2. Step 2: Convert to fraction form
    6,381.35/8,803.23 = 4,257.86/x
  3. Step 3: Cross multiply
    6,381.35x = 8,803.23 × 4,257.86
  4. Step 4: Simplify right side
    6,381.35x = 37,482,920.89
  5. Step 5: Solve for x
    x = 37,482,920.89/6,381.35
  6. Step 6: Final answer
    x = 5,873.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.