Home / 8,851.38-12,215.12-4,872.60

Finding the Fourth Proportional to 8,851.38, 12,215.12 and 4,872.60

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Solution

The fourth proportional to 8,851.38, 12,215.12 and 4,872.60 is: 6,724.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.38 : 12,215.12 = 4,872.60 : x
  2. Step 2: Convert to fraction form
    8,851.38/12,215.12 = 4,872.60/x
  3. Step 3: Cross multiply
    8,851.38x = 12,215.12 × 4,872.60
  4. Step 4: Simplify right side
    8,851.38x = 59,519,393.71
  5. Step 5: Solve for x
    x = 59,519,393.71/8,851.38
  6. Step 6: Final answer
    x = 6,724.31

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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.