Home / 8,322.18-12,486.51-3,943.32

Finding the Fourth Proportional to 8,322.18, 12,486.51 and 3,943.32

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Solution

The fourth proportional to 8,322.18, 12,486.51 and 3,943.32 is: 5,916.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.18 : 12,486.51 = 3,943.32 : x
  2. Step 2: Convert to fraction form
    8,322.18/12,486.51 = 3,943.32/x
  3. Step 3: Cross multiply
    8,322.18x = 12,486.51 × 3,943.32
  4. Step 4: Simplify right side
    8,322.18x = 49,238,304.61
  5. Step 5: Solve for x
    x = 49,238,304.61/8,322.18
  6. Step 6: Final answer
    x = 5,916.52

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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.