Home / 8,851.49-12,214.85-4,872.57

Finding the Fourth Proportional to 8,851.49, 12,214.85 and 4,872.57

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Solution

The fourth proportional to 8,851.49, 12,214.85 and 4,872.57 is: 6,724.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.49 : 12,214.85 = 4,872.57 : x
  2. Step 2: Convert to fraction form
    8,851.49/12,214.85 = 4,872.57/x
  3. Step 3: Cross multiply
    8,851.49x = 12,214.85 × 4,872.57
  4. Step 4: Simplify right side
    8,851.49x = 59,517,687.30
  5. Step 5: Solve for x
    x = 59,517,687.30/8,851.49
  6. Step 6: Final answer
    x = 6,724.03

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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.