Home / 5,076.80-7,613.46-1,956.55

Finding the Fourth Proportional to 5,076.80, 7,613.46 and 1,956.55

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Solution

The fourth proportional to 5,076.80, 7,613.46 and 1,956.55 is: 2,934.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.80 : 7,613.46 = 1,956.55 : x
  2. Step 2: Convert to fraction form
    5,076.80/7,613.46 = 1,956.55/x
  3. Step 3: Cross multiply
    5,076.80x = 7,613.46 × 1,956.55
  4. Step 4: Simplify right side
    5,076.80x = 14,896,096.80
  5. Step 5: Solve for x
    x = 14,896,096.80/5,076.80
  6. Step 6: Final answer
    x = 2,934.15

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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.