Home / 6,115.83-9,173.58-1,955.78

Finding the Fourth Proportional to 6,115.83, 9,173.58 and 1,955.78

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Solution

The fourth proportional to 6,115.83, 9,173.58 and 1,955.78 is: 2,933.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.83 : 9,173.58 = 1,955.78 : x
  2. Step 2: Convert to fraction form
    6,115.83/9,173.58 = 1,955.78/x
  3. Step 3: Cross multiply
    6,115.83x = 9,173.58 × 1,955.78
  4. Step 4: Simplify right side
    6,115.83x = 17,941,458.42
  5. Step 5: Solve for x
    x = 17,941,458.42/6,115.83
  6. Step 6: Final answer
    x = 2,933.61

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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.