Home / 8,343.46-12,516.58-3,958.53

Finding the Fourth Proportional to 8,343.46, 12,516.58 and 3,958.53

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Solution

The fourth proportional to 8,343.46, 12,516.58 and 3,958.53 is: 5,938.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.46 : 12,516.58 = 3,958.53 : x
  2. Step 2: Convert to fraction form
    8,343.46/12,516.58 = 3,958.53/x
  3. Step 3: Cross multiply
    8,343.46x = 12,516.58 × 3,958.53
  4. Step 4: Simplify right side
    8,343.46x = 49,547,175.05
  5. Step 5: Solve for x
    x = 49,547,175.05/8,343.46
  6. Step 6: Final answer
    x = 5,938.44

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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.