Home / 7,078.24-10,613.04-2,916.96

Finding the Fourth Proportional to 7,078.24, 10,613.04 and 2,916.96

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Solution

The fourth proportional to 7,078.24, 10,613.04 and 2,916.96 is: 4,373.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.24 : 10,613.04 = 2,916.96 : x
  2. Step 2: Convert to fraction form
    7,078.24/10,613.04 = 2,916.96/x
  3. Step 3: Cross multiply
    7,078.24x = 10,613.04 × 2,916.96
  4. Step 4: Simplify right side
    7,078.24x = 30,957,813.16
  5. Step 5: Solve for x
    x = 30,957,813.16/7,078.24
  6. Step 6: Final answer
    x = 4,373.66

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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.