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Finding the Fourth Proportional to 6,859.56, 10,287.06 and 2,476.20

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Solution

The fourth proportional to 6,859.56, 10,287.06 and 2,476.20 is: 3,713.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.56 : 10,287.06 = 2,476.20 : x
  2. Step 2: Convert to fraction form
    6,859.56/10,287.06 = 2,476.20/x
  3. Step 3: Cross multiply
    6,859.56x = 10,287.06 × 2,476.20
  4. Step 4: Simplify right side
    6,859.56x = 25,472,817.97
  5. Step 5: Solve for x
    x = 25,472,817.97/6,859.56
  6. Step 6: Final answer
    x = 3,713.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.