Home / 4,874.72-6,726.12-2,884.28

Finding the Fourth Proportional to 4,874.72, 6,726.12 and 2,884.28

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Solution

The fourth proportional to 4,874.72, 6,726.12 and 2,884.28 is: 3,979.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.72 : 6,726.12 = 2,884.28 : x
  2. Step 2: Convert to fraction form
    4,874.72/6,726.12 = 2,884.28/x
  3. Step 3: Cross multiply
    4,874.72x = 6,726.12 × 2,884.28
  4. Step 4: Simplify right side
    4,874.72x = 19,400,013.39
  5. Step 5: Solve for x
    x = 19,400,013.39/4,874.72
  6. Step 6: Final answer
    x = 3,979.72

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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.