Home / 4,719.52-7,079.28-1,256.56

Finding the Fourth Proportional to 4,719.52, 7,079.28 and 1,256.56

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Solution

The fourth proportional to 4,719.52, 7,079.28 and 1,256.56 is: 1,884.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.52 : 7,079.28 = 1,256.56 : x
  2. Step 2: Convert to fraction form
    4,719.52/7,079.28 = 1,256.56/x
  3. Step 3: Cross multiply
    4,719.52x = 7,079.28 × 1,256.56
  4. Step 4: Simplify right side
    4,719.52x = 8,895,540.08
  5. Step 5: Solve for x
    x = 8,895,540.08/4,719.52
  6. Step 6: Final answer
    x = 1,884.84

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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.