Home / 4,613.40-6,916.74-3,147.96

Finding the Fourth Proportional to 4,613.40, 6,916.74 and 3,147.96

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Solution

The fourth proportional to 4,613.40, 6,916.74 and 3,147.96 is: 4,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,613.40 : 6,916.74 = 3,147.96 : x
  2. Step 2: Convert to fraction form
    4,613.40/6,916.74 = 3,147.96/x
  3. Step 3: Cross multiply
    4,613.40x = 6,916.74 × 3,147.96
  4. Step 4: Simplify right side
    4,613.40x = 21,773,620.85
  5. Step 5: Solve for x
    x = 21,773,620.85/4,613.40
  6. Step 6: Final answer
    x = 4,719.65

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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.