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Finding the Fourth Proportional to 8,800.24, 12,144.48 and 4,821.28

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Solution

The fourth proportional to 8,800.24, 12,144.48 and 4,821.28 is: 6,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.24 : 12,144.48 = 4,821.28 : x
  2. Step 2: Convert to fraction form
    8,800.24/12,144.48 = 4,821.28/x
  3. Step 3: Cross multiply
    8,800.24x = 12,144.48 × 4,821.28
  4. Step 4: Simplify right side
    8,800.24x = 58,551,938.53
  5. Step 5: Solve for x
    x = 58,551,938.53/8,800.24
  6. Step 6: Final answer
    x = 6,653.45

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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.