Home / 6,109.92-9,165.18-1,727.70

Finding the Fourth Proportional to 6,109.92, 9,165.18 and 1,727.70

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Solution

The fourth proportional to 6,109.92, 9,165.18 and 1,727.70 is: 2,591.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.92 : 9,165.18 = 1,727.70 : x
  2. Step 2: Convert to fraction form
    6,109.92/9,165.18 = 1,727.70/x
  3. Step 3: Cross multiply
    6,109.92x = 9,165.18 × 1,727.70
  4. Step 4: Simplify right side
    6,109.92x = 15,834,681.49
  5. Step 5: Solve for x
    x = 15,834,681.49/6,109.92
  6. Step 6: Final answer
    x = 2,591.63

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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.