Home / 4,968.06-6,856.11-2,872.20

Finding the Fourth Proportional to 4,968.06, 6,856.11 and 2,872.20

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Solution

The fourth proportional to 4,968.06, 6,856.11 and 2,872.20 is: 3,963.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.06 : 6,856.11 = 2,872.20 : x
  2. Step 2: Convert to fraction form
    4,968.06/6,856.11 = 2,872.20/x
  3. Step 3: Cross multiply
    4,968.06x = 6,856.11 × 2,872.20
  4. Step 4: Simplify right side
    4,968.06x = 19,692,119.14
  5. Step 5: Solve for x
    x = 19,692,119.14/4,968.06
  6. Step 6: Final answer
    x = 3,963.74

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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.