Home / 6,108.92-9,159.60-4,155.20

Finding the Fourth Proportional to 6,108.92, 9,159.60 and 4,155.20

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Solution

The fourth proportional to 6,108.92, 9,159.60 and 4,155.20 is: 6,230.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.92 : 9,159.60 = 4,155.20 : x
  2. Step 2: Convert to fraction form
    6,108.92/9,159.60 = 4,155.20/x
  3. Step 3: Cross multiply
    6,108.92x = 9,159.60 × 4,155.20
  4. Step 4: Simplify right side
    6,108.92x = 38,059,969.92
  5. Step 5: Solve for x
    x = 38,059,969.92/6,108.92
  6. Step 6: Final answer
    x = 6,230.23

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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.