Home / 4,865.20-6,714.48-2,769.76

Finding the Fourth Proportional to 4,865.20, 6,714.48 and 2,769.76

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Solution

The fourth proportional to 4,865.20, 6,714.48 and 2,769.76 is: 3,822.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.20 : 6,714.48 = 2,769.76 : x
  2. Step 2: Convert to fraction form
    4,865.20/6,714.48 = 2,769.76/x
  3. Step 3: Cross multiply
    4,865.20x = 6,714.48 × 2,769.76
  4. Step 4: Simplify right side
    4,865.20x = 18,597,498.12
  5. Step 5: Solve for x
    x = 18,597,498.12/4,865.20
  6. Step 6: Final answer
    x = 3,822.56

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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.