Home / 8,586.30-12,881.88-3,322.92

Finding the Fourth Proportional to 8,586.30, 12,881.88 and 3,322.92

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Solution

The fourth proportional to 8,586.30, 12,881.88 and 3,322.92 is: 4,985.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.30 : 12,881.88 = 3,322.92 : x
  2. Step 2: Convert to fraction form
    8,586.30/12,881.88 = 3,322.92/x
  3. Step 3: Cross multiply
    8,586.30x = 12,881.88 × 3,322.92
  4. Step 4: Simplify right side
    8,586.30x = 42,805,456.69
  5. Step 5: Solve for x
    x = 42,805,456.69/8,586.30
  6. Step 6: Final answer
    x = 4,985.32

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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.