Home / 8,247.14-12,371.30-2,985.27

Finding the Fourth Proportional to 8,247.14, 12,371.30 and 2,985.27

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Solution

The fourth proportional to 8,247.14, 12,371.30 and 2,985.27 is: 4,478.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.14 : 12,371.30 = 2,985.27 : x
  2. Step 2: Convert to fraction form
    8,247.14/12,371.30 = 2,985.27/x
  3. Step 3: Cross multiply
    8,247.14x = 12,371.30 × 2,985.27
  4. Step 4: Simplify right side
    8,247.14x = 36,931,655.82
  5. Step 5: Solve for x
    x = 36,931,655.82/8,247.14
  6. Step 6: Final answer
    x = 4,478.12

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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.