Home / 8,103.04-12,154.15-2,836.42

Finding the Fourth Proportional to 8,103.04, 12,154.15 and 2,836.42

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Solution

The fourth proportional to 8,103.04, 12,154.15 and 2,836.42 is: 4,254.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.04 : 12,154.15 = 2,836.42 : x
  2. Step 2: Convert to fraction form
    8,103.04/12,154.15 = 2,836.42/x
  3. Step 3: Cross multiply
    8,103.04x = 12,154.15 × 2,836.42
  4. Step 4: Simplify right side
    8,103.04x = 34,474,247.30
  5. Step 5: Solve for x
    x = 34,474,247.30/8,103.04
  6. Step 6: Final answer
    x = 4,254.48

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1.5x scale

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.