Home / 8,821.71-13,237.80-3,559.24

Finding the Fourth Proportional to 8,821.71, 13,237.80 and 3,559.24

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Solution

The fourth proportional to 8,821.71, 13,237.80 and 3,559.24 is: 5,340.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.71 : 13,237.80 = 3,559.24 : x
  2. Step 2: Convert to fraction form
    8,821.71/13,237.80 = 3,559.24/x
  3. Step 3: Cross multiply
    8,821.71x = 13,237.80 × 3,559.24
  4. Step 4: Simplify right side
    8,821.71x = 47,116,510.47
  5. Step 5: Solve for x
    x = 47,116,510.47/8,821.71
  6. Step 6: Final answer
    x = 5,340.97

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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.