Home / 6,148.28-9,222.42-1,991.83

Finding the Fourth Proportional to 6,148.28, 9,222.42 and 1,991.83

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Solution

The fourth proportional to 6,148.28, 9,222.42 and 1,991.83 is: 2,987.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,148.28 : 9,222.42 = 1,991.83 : x
  2. Step 2: Convert to fraction form
    6,148.28/9,222.42 = 1,991.83/x
  3. Step 3: Cross multiply
    6,148.28x = 9,222.42 × 1,991.83
  4. Step 4: Simplify right side
    6,148.28x = 18,369,492.83
  5. Step 5: Solve for x
    x = 18,369,492.83/6,148.28
  6. Step 6: Final answer
    x = 2,987.75

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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.