Home / 8,821.98-13,218.66-6,039.18

Finding the Fourth Proportional to 8,821.98, 13,218.66 and 6,039.18

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Solution

The fourth proportional to 8,821.98, 13,218.66 and 6,039.18 is: 9,048.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.98 : 13,218.66 = 6,039.18 : x
  2. Step 2: Convert to fraction form
    8,821.98/13,218.66 = 6,039.18/x
  3. Step 3: Cross multiply
    8,821.98x = 13,218.66 × 6,039.18
  4. Step 4: Simplify right side
    8,821.98x = 79,829,867.10
  5. Step 5: Solve for x
    x = 79,829,867.10/8,821.98
  6. Step 6: Final answer
    x = 9,048.97

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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.