Home / 4,947.14-6,827.69-2,851.28

Finding the Fourth Proportional to 4,947.14, 6,827.69 and 2,851.28

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Solution

The fourth proportional to 4,947.14, 6,827.69 and 2,851.28 is: 3,935.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.14 : 6,827.69 = 2,851.28 : x
  2. Step 2: Convert to fraction form
    4,947.14/6,827.69 = 2,851.28/x
  3. Step 3: Cross multiply
    4,947.14x = 6,827.69 × 2,851.28
  4. Step 4: Simplify right side
    4,947.14x = 19,467,641.69
  5. Step 5: Solve for x
    x = 19,467,641.69/4,947.14
  6. Step 6: Final answer
    x = 3,935.13

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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.