Home / 4,916.16-7,378.92-3,613.68

Finding the Fourth Proportional to 4,916.16, 7,378.92 and 3,613.68

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Solution

The fourth proportional to 4,916.16, 7,378.92 and 3,613.68 is: 5,423.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.16 : 7,378.92 = 3,613.68 : x
  2. Step 2: Convert to fraction form
    4,916.16/7,378.92 = 3,613.68/x
  3. Step 3: Cross multiply
    4,916.16x = 7,378.92 × 3,613.68
  4. Step 4: Simplify right side
    4,916.16x = 26,665,055.63
  5. Step 5: Solve for x
    x = 26,665,055.63/4,916.16
  6. Step 6: Final answer
    x = 5,423.96

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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.