Home / 8,821.20-13,223.60-4,433.52

Finding the Fourth Proportional to 8,821.20, 13,223.60 and 4,433.52

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Solution

The fourth proportional to 8,821.20, 13,223.60 and 4,433.52 is: 6,646.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.20 : 13,223.60 = 4,433.52 : x
  2. Step 2: Convert to fraction form
    8,821.20/13,223.60 = 4,433.52/x
  3. Step 3: Cross multiply
    8,821.20x = 13,223.60 × 4,433.52
  4. Step 4: Simplify right side
    8,821.20x = 58,627,095.07
  5. Step 5: Solve for x
    x = 58,627,095.07/8,821.20
  6. Step 6: Final answer
    x = 6,646.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.