Home / 4,867.56-6,719.76-2,981.88

Finding the Fourth Proportional to 4,867.56, 6,719.76 and 2,981.88

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Solution

The fourth proportional to 4,867.56, 6,719.76 and 2,981.88 is: 4,116.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.56 : 6,719.76 = 2,981.88 : x
  2. Step 2: Convert to fraction form
    4,867.56/6,719.76 = 2,981.88/x
  3. Step 3: Cross multiply
    4,867.56x = 6,719.76 × 2,981.88
  4. Step 4: Simplify right side
    4,867.56x = 20,037,517.95
  5. Step 5: Solve for x
    x = 20,037,517.95/4,867.56
  6. Step 6: Final answer
    x = 4,116.54

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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.