Home / 8,214.40-12,323.80-2,371.52

Finding the Fourth Proportional to 8,214.40, 12,323.80 and 2,371.52

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Solution

The fourth proportional to 8,214.40, 12,323.80 and 2,371.52 is: 3,557.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.40 : 12,323.80 = 2,371.52 : x
  2. Step 2: Convert to fraction form
    8,214.40/12,323.80 = 2,371.52/x
  3. Step 3: Cross multiply
    8,214.40x = 12,323.80 × 2,371.52
  4. Step 4: Simplify right side
    8,214.40x = 29,226,138.18
  5. Step 5: Solve for x
    x = 29,226,138.18/8,214.40
  6. Step 6: Final answer
    x = 3,557.92

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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.