Home / 5,310.42-7,966.74-1,613.04

Finding the Fourth Proportional to 5,310.42, 7,966.74 and 1,613.04

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Solution

The fourth proportional to 5,310.42, 7,966.74 and 1,613.04 is: 2,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.42 : 7,966.74 = 1,613.04 : x
  2. Step 2: Convert to fraction form
    5,310.42/7,966.74 = 1,613.04/x
  3. Step 3: Cross multiply
    5,310.42x = 7,966.74 × 1,613.04
  4. Step 4: Simplify right side
    5,310.42x = 12,850,670.29
  5. Step 5: Solve for x
    x = 12,850,670.29/5,310.42
  6. Step 6: Final answer
    x = 2,419.90

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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.