Home / 8,074.78-12,116.94-4,376.92

Finding the Fourth Proportional to 8,074.78, 12,116.94 and 4,376.92

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Solution

The fourth proportional to 8,074.78, 12,116.94 and 4,376.92 is: 6,567.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.78 : 12,116.94 = 4,376.92 : x
  2. Step 2: Convert to fraction form
    8,074.78/12,116.94 = 4,376.92/x
  3. Step 3: Cross multiply
    8,074.78x = 12,116.94 × 4,376.92
  4. Step 4: Simplify right side
    8,074.78x = 53,034,877.02
  5. Step 5: Solve for x
    x = 53,034,877.02/8,074.78
  6. Step 6: Final answer
    x = 6,567.97

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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.