Home / 4,695.30-6,476.79-2,781.68

Finding the Fourth Proportional to 4,695.30, 6,476.79 and 2,781.68

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Solution

The fourth proportional to 4,695.30, 6,476.79 and 2,781.68 is: 3,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695.30 : 6,476.79 = 2,781.68 : x
  2. Step 2: Convert to fraction form
    4,695.30/6,476.79 = 2,781.68/x
  3. Step 3: Cross multiply
    4,695.30x = 6,476.79 × 2,781.68
  4. Step 4: Simplify right side
    4,695.30x = 18,016,335.25
  5. Step 5: Solve for x
    x = 18,016,335.25/4,695.30
  6. Step 6: Final answer
    x = 3,837.10

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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.