Home / 7,741.97-11,612.99-1,898.63

Finding the Fourth Proportional to 7,741.97, 11,612.99 and 1,898.63

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Solution

The fourth proportional to 7,741.97, 11,612.99 and 1,898.63 is: 2,847.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.97 : 11,612.99 = 1,898.63 : x
  2. Step 2: Convert to fraction form
    7,741.97/11,612.99 = 1,898.63/x
  3. Step 3: Cross multiply
    7,741.97x = 11,612.99 × 1,898.63
  4. Step 4: Simplify right side
    7,741.97x = 22,048,771.20
  5. Step 5: Solve for x
    x = 22,048,771.20/7,741.97
  6. Step 6: Final answer
    x = 2,847.95

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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.