Home / 8,569.02-11,821.50-5,423.25

Finding the Fourth Proportional to 8,569.02, 11,821.50 and 5,423.25

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Solution

The fourth proportional to 8,569.02, 11,821.50 and 5,423.25 is: 7,481.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.02 : 11,821.50 = 5,423.25 : x
  2. Step 2: Convert to fraction form
    8,569.02/11,821.50 = 5,423.25/x
  3. Step 3: Cross multiply
    8,569.02x = 11,821.50 × 5,423.25
  4. Step 4: Simplify right side
    8,569.02x = 64,110,949.88
  5. Step 5: Solve for x
    x = 64,110,949.88/8,569.02
  6. Step 6: Final answer
    x = 7,481.71

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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.