Home / 8,343.43-12,521.31-6,719.58

Finding the Fourth Proportional to 8,343.43, 12,521.31 and 6,719.58

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Solution

The fourth proportional to 8,343.43, 12,521.31 and 6,719.58 is: 10,084.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.43 : 12,521.31 = 6,719.58 : x
  2. Step 2: Convert to fraction form
    8,343.43/12,521.31 = 6,719.58/x
  3. Step 3: Cross multiply
    8,343.43x = 12,521.31 × 6,719.58
  4. Step 4: Simplify right side
    8,343.43x = 84,137,881.64
  5. Step 5: Solve for x
    x = 84,137,881.64/8,343.43
  6. Step 6: Final answer
    x = 10,084.33

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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.