Home / 5,527.65-7,629.78-3,613.76

Finding the Fourth Proportional to 5,527.65, 7,629.78 and 3,613.76

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Solution

The fourth proportional to 5,527.65, 7,629.78 and 3,613.76 is: 4,988.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.65 : 7,629.78 = 3,613.76 : x
  2. Step 2: Convert to fraction form
    5,527.65/7,629.78 = 3,613.76/x
  3. Step 3: Cross multiply
    5,527.65x = 7,629.78 × 3,613.76
  4. Step 4: Simplify right side
    5,527.65x = 27,572,155.62
  5. Step 5: Solve for x
    x = 27,572,155.62/5,527.65
  6. Step 6: Final answer
    x = 4,988.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.