Home / 6,251.52-8,628.80-4,154.88

Finding the Fourth Proportional to 6,251.52, 8,628.80 and 4,154.88

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Solution

The fourth proportional to 6,251.52, 8,628.80 and 4,154.88 is: 5,734.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.52 : 8,628.80 = 4,154.88 : x
  2. Step 2: Convert to fraction form
    6,251.52/8,628.80 = 4,154.88/x
  3. Step 3: Cross multiply
    6,251.52x = 8,628.80 × 4,154.88
  4. Step 4: Simplify right side
    6,251.52x = 35,851,628.54
  5. Step 5: Solve for x
    x = 35,851,628.54/6,251.52
  6. Step 6: Final answer
    x = 5,734.87

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1.5x scale

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.