Home / 4,947.66-6,827.76-2,958.12

Finding the Fourth Proportional to 4,947.66, 6,827.76 and 2,958.12

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Solution

The fourth proportional to 4,947.66, 6,827.76 and 2,958.12 is: 4,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.66 : 6,827.76 = 2,958.12 : x
  2. Step 2: Convert to fraction form
    4,947.66/6,827.76 = 2,958.12/x
  3. Step 3: Cross multiply
    4,947.66x = 6,827.76 × 2,958.12
  4. Step 4: Simplify right side
    4,947.66x = 20,197,333.41
  5. Step 5: Solve for x
    x = 20,197,333.41/4,947.66
  6. Step 6: Final answer
    x = 4,082.20

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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.