Home / 8,322.81-12,476.93-3,132.33

Finding the Fourth Proportional to 8,322.81, 12,476.93 and 3,132.33

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Solution

The fourth proportional to 8,322.81, 12,476.93 and 3,132.33 is: 4,695.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.81 : 12,476.93 = 3,132.33 : x
  2. Step 2: Convert to fraction form
    8,322.81/12,476.93 = 3,132.33/x
  3. Step 3: Cross multiply
    8,322.81x = 12,476.93 × 3,132.33
  4. Step 4: Simplify right side
    8,322.81x = 39,081,799.70
  5. Step 5: Solve for x
    x = 39,081,799.70/8,322.81
  6. Step 6: Final answer
    x = 4,695.75

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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.