Home / 8,722.66-13,085.62-3,532.18

Finding the Fourth Proportional to 8,722.66, 13,085.62 and 3,532.18

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Solution

The fourth proportional to 8,722.66, 13,085.62 and 3,532.18 is: 5,298.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.66 : 13,085.62 = 3,532.18 : x
  2. Step 2: Convert to fraction form
    8,722.66/13,085.62 = 3,532.18/x
  3. Step 3: Cross multiply
    8,722.66x = 13,085.62 × 3,532.18
  4. Step 4: Simplify right side
    8,722.66x = 46,220,765.25
  5. Step 5: Solve for x
    x = 46,220,765.25/8,722.66
  6. Step 6: Final answer
    x = 5,298.93

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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.