Home / 8,872.18-12,243.56-4,893.21

Finding the Fourth Proportional to 8,872.18, 12,243.56 and 4,893.21

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Solution

The fourth proportional to 8,872.18, 12,243.56 and 4,893.21 is: 6,752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.18 : 12,243.56 = 4,893.21 : x
  2. Step 2: Convert to fraction form
    8,872.18/12,243.56 = 4,893.21/x
  3. Step 3: Cross multiply
    8,872.18x = 12,243.56 × 4,893.21
  4. Step 4: Simplify right side
    8,872.18x = 59,910,285.76
  5. Step 5: Solve for x
    x = 59,910,285.76/8,872.18
  6. Step 6: Final answer
    x = 6,752.60

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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.