Home / 4,947.06-6,827.35-2,851.19

Finding the Fourth Proportional to 4,947.06, 6,827.35 and 2,851.19

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Solution

The fourth proportional to 4,947.06, 6,827.35 and 2,851.19 is: 3,934.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.06 : 6,827.35 = 2,851.19 : x
  2. Step 2: Convert to fraction form
    4,947.06/6,827.35 = 2,851.19/x
  3. Step 3: Cross multiply
    4,947.06x = 6,827.35 × 2,851.19
  4. Step 4: Simplify right side
    4,947.06x = 19,466,072.05
  5. Step 5: Solve for x
    x = 19,466,072.05/4,947.06
  6. Step 6: Final answer
    x = 3,934.88

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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.