Home / 5,109.20-7,661.06-1,550.83

Finding the Fourth Proportional to 5,109.20, 7,661.06 and 1,550.83

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Solution

The fourth proportional to 5,109.20, 7,661.06 and 1,550.83 is: 2,325.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.20 : 7,661.06 = 1,550.83 : x
  2. Step 2: Convert to fraction form
    5,109.20/7,661.06 = 1,550.83/x
  3. Step 3: Cross multiply
    5,109.20x = 7,661.06 × 1,550.83
  4. Step 4: Simplify right side
    5,109.20x = 11,881,001.68
  5. Step 5: Solve for x
    x = 11,881,001.68/5,109.20
  6. Step 6: Final answer
    x = 2,325.41

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Half scale
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Double scale
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Similar ratio
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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.