Home / 8,337.96-12,515.74-3,959.08

Finding the Fourth Proportional to 8,337.96, 12,515.74 and 3,959.08

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Solution

The fourth proportional to 8,337.96, 12,515.74 and 3,959.08 is: 5,942.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,337.96 : 12,515.74 = 3,959.08 : x
  2. Step 2: Convert to fraction form
    8,337.96/12,515.74 = 3,959.08/x
  3. Step 3: Cross multiply
    8,337.96x = 12,515.74 × 3,959.08
  4. Step 4: Simplify right side
    8,337.96x = 49,550,815.92
  5. Step 5: Solve for x
    x = 49,550,815.92/8,337.96
  6. Step 6: Final answer
    x = 5,942.80

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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.