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Finding the Fourth Proportional to 4,956.56, 6,839.28 and 2,860.28

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Solution

The fourth proportional to 4,956.56, 6,839.28 and 2,860.28 is: 3,946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,956.56 : 6,839.28 = 2,860.28 : x
  2. Step 2: Convert to fraction form
    4,956.56/6,839.28 = 2,860.28/x
  3. Step 3: Cross multiply
    4,956.56x = 6,839.28 × 2,860.28
  4. Step 4: Simplify right side
    4,956.56x = 19,562,255.80
  5. Step 5: Solve for x
    x = 19,562,255.80/4,956.56
  6. Step 6: Final answer
    x = 3,946.74

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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.