Home / 6,105.50-9,158.28-1,722.86

Finding the Fourth Proportional to 6,105.50, 9,158.28 and 1,722.86

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Solution

The fourth proportional to 6,105.50, 9,158.28 and 1,722.86 is: 2,584.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105.50 : 9,158.28 = 1,722.86 : x
  2. Step 2: Convert to fraction form
    6,105.50/9,158.28 = 1,722.86/x
  3. Step 3: Cross multiply
    6,105.50x = 9,158.28 × 1,722.86
  4. Step 4: Simplify right side
    6,105.50x = 15,778,434.28
  5. Step 5: Solve for x
    x = 15,778,434.28/6,105.50
  6. Step 6: Final answer
    x = 2,584.30

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Half scale
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Double scale
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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.