Home / 8,821.19-13,236.98-3,558.71

Finding the Fourth Proportional to 8,821.19, 13,236.98 and 3,558.71

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Solution

The fourth proportional to 8,821.19, 13,236.98 and 3,558.71 is: 5,340.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.19 : 13,236.98 = 3,558.71 : x
  2. Step 2: Convert to fraction form
    8,821.19/13,236.98 = 3,558.71/x
  3. Step 3: Cross multiply
    8,821.19x = 13,236.98 × 3,558.71
  4. Step 4: Simplify right side
    8,821.19x = 47,106,573.10
  5. Step 5: Solve for x
    x = 47,106,573.10/8,821.19
  6. Step 6: Final answer
    x = 5,340.16

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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.