Home / 8,103.06-12,154.50-2,838.18

Finding the Fourth Proportional to 8,103.06, 12,154.50 and 2,838.18

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Solution

The fourth proportional to 8,103.06, 12,154.50 and 2,838.18 is: 4,257.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.06 : 12,154.50 = 2,838.18 : x
  2. Step 2: Convert to fraction form
    8,103.06/12,154.50 = 2,838.18/x
  3. Step 3: Cross multiply
    8,103.06x = 12,154.50 × 2,838.18
  4. Step 4: Simplify right side
    8,103.06x = 34,496,658.81
  5. Step 5: Solve for x
    x = 34,496,658.81/8,103.06
  6. Step 6: Final answer
    x = 4,257.24

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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.