Home / 8,851.95-12,215.75-4,872.96

Finding the Fourth Proportional to 8,851.95, 12,215.75 and 4,872.96

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Solution

The fourth proportional to 8,851.95, 12,215.75 and 4,872.96 is: 6,724.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.95 : 12,215.75 = 4,872.96 : x
  2. Step 2: Convert to fraction form
    8,851.95/12,215.75 = 4,872.96/x
  3. Step 3: Cross multiply
    8,851.95x = 12,215.75 × 4,872.96
  4. Step 4: Simplify right side
    8,851.95x = 59,526,861.12
  5. Step 5: Solve for x
    x = 59,526,861.12/8,851.95
  6. Step 6: Final answer
    x = 6,724.72

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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.