Home / 9,151.85-13,727.78-2,226.35

Finding the Fourth Proportional to 9,151.85, 13,727.78 and 2,226.35

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Solution

The fourth proportional to 9,151.85, 13,727.78 and 2,226.35 is: 3,339.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151.85 : 13,727.78 = 2,226.35 : x
  2. Step 2: Convert to fraction form
    9,151.85/13,727.78 = 2,226.35/x
  3. Step 3: Cross multiply
    9,151.85x = 13,727.78 × 2,226.35
  4. Step 4: Simplify right side
    9,151.85x = 30,562,763.23
  5. Step 5: Solve for x
    x = 30,562,763.23/9,151.85
  6. Step 6: Final answer
    x = 3,339.52

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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.