Home / 7,744.55-11,613.28-2,478.54

Finding the Fourth Proportional to 7,744.55, 11,613.28 and 2,478.54

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Solution

The fourth proportional to 7,744.55, 11,613.28 and 2,478.54 is: 3,716.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.55 : 11,613.28 = 2,478.54 : x
  2. Step 2: Convert to fraction form
    7,744.55/11,613.28 = 2,478.54/x
  3. Step 3: Cross multiply
    7,744.55x = 11,613.28 × 2,478.54
  4. Step 4: Simplify right side
    7,744.55x = 28,783,979.01
  5. Step 5: Solve for x
    x = 28,783,979.01/7,744.55
  6. Step 6: Final answer
    x = 3,716.68

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1.5x scale

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.