Home / 9,153.50-12,631.82-4,961.75

Finding the Fourth Proportional to 9,153.50, 12,631.82 and 4,961.75

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Solution

The fourth proportional to 9,153.50, 12,631.82 and 4,961.75 is: 6,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.50 : 12,631.82 = 4,961.75 : x
  2. Step 2: Convert to fraction form
    9,153.50/12,631.82 = 4,961.75/x
  3. Step 3: Cross multiply
    9,153.50x = 12,631.82 × 4,961.75
  4. Step 4: Simplify right side
    9,153.50x = 62,675,844.92
  5. Step 5: Solve for x
    x = 62,675,844.92/9,153.50
  6. Step 6: Final answer
    x = 6,847.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.