Home / 7,845.66-11,768.49-2,655.18

Finding the Fourth Proportional to 7,845.66, 11,768.49 and 2,655.18

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Solution

The fourth proportional to 7,845.66, 11,768.49 and 2,655.18 is: 3,982.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.66 : 11,768.49 = 2,655.18 : x
  2. Step 2: Convert to fraction form
    7,845.66/11,768.49 = 2,655.18/x
  3. Step 3: Cross multiply
    7,845.66x = 11,768.49 × 2,655.18
  4. Step 4: Simplify right side
    7,845.66x = 31,247,459.28
  5. Step 5: Solve for x
    x = 31,247,459.28/7,845.66
  6. Step 6: Final answer
    x = 3,982.77

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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.