Home / 6,105.30-9,159.35-2,209.71

Finding the Fourth Proportional to 6,105.30, 9,159.35 and 2,209.71

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Solution

The fourth proportional to 6,105.30, 9,159.35 and 2,209.71 is: 3,315.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105.30 : 9,159.35 = 2,209.71 : x
  2. Step 2: Convert to fraction form
    6,105.30/9,159.35 = 2,209.71/x
  3. Step 3: Cross multiply
    6,105.30x = 9,159.35 × 2,209.71
  4. Step 4: Simplify right side
    6,105.30x = 20,239,496.24
  5. Step 5: Solve for x
    x = 20,239,496.24/6,105.30
  6. Step 6: Final answer
    x = 3,315.07

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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.