Home / 6,408.18-9,612.27-1,791.18

Finding the Fourth Proportional to 6,408.18, 9,612.27 and 1,791.18

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Solution

The fourth proportional to 6,408.18, 9,612.27 and 1,791.18 is: 2,686.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.18 : 9,612.27 = 1,791.18 : x
  2. Step 2: Convert to fraction form
    6,408.18/9,612.27 = 1,791.18/x
  3. Step 3: Cross multiply
    6,408.18x = 9,612.27 × 1,791.18
  4. Step 4: Simplify right side
    6,408.18x = 17,217,305.78
  5. Step 5: Solve for x
    x = 17,217,305.78/6,408.18
  6. Step 6: Final answer
    x = 2,686.77

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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.