Home / 4,103.12-6,154.68-1,025.12

Finding the Fourth Proportional to 4,103.12, 6,154.68 and 1,025.12

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Solution

The fourth proportional to 4,103.12, 6,154.68 and 1,025.12 is: 1,537.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.12 : 6,154.68 = 1,025.12 : x
  2. Step 2: Convert to fraction form
    4,103.12/6,154.68 = 1,025.12/x
  3. Step 3: Cross multiply
    4,103.12x = 6,154.68 × 1,025.12
  4. Step 4: Simplify right side
    4,103.12x = 6,309,285.56
  5. Step 5: Solve for x
    x = 6,309,285.56/4,103.12
  6. Step 6: Final answer
    x = 1,537.68

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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.