Home / 7,756.64-11,613.66-5,418.98

Finding the Fourth Proportional to 7,756.64, 11,613.66 and 5,418.98

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Solution

The fourth proportional to 7,756.64, 11,613.66 and 5,418.98 is: 8,113.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.64 : 11,613.66 = 5,418.98 : x
  2. Step 2: Convert to fraction form
    7,756.64/11,613.66 = 5,418.98/x
  3. Step 3: Cross multiply
    7,756.64x = 11,613.66 × 5,418.98
  4. Step 4: Simplify right side
    7,756.64x = 62,934,191.27
  5. Step 5: Solve for x
    x = 62,934,191.27/7,756.64
  6. Step 6: Final answer
    x = 8,113.59

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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.