Home / 8,236.16-12,339.68-4,343.28

Finding the Fourth Proportional to 8,236.16, 12,339.68 and 4,343.28

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Solution

The fourth proportional to 8,236.16, 12,339.68 and 4,343.28 is: 6,507.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.16 : 12,339.68 = 4,343.28 : x
  2. Step 2: Convert to fraction form
    8,236.16/12,339.68 = 4,343.28/x
  3. Step 3: Cross multiply
    8,236.16x = 12,339.68 × 4,343.28
  4. Step 4: Simplify right side
    8,236.16x = 53,594,685.35
  5. Step 5: Solve for x
    x = 53,594,685.35/8,236.16
  6. Step 6: Final answer
    x = 6,507.24

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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.