Home / 9,560.88-13,190.82-5,785.20

Finding the Fourth Proportional to 9,560.88, 13,190.82 and 5,785.20

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Solution

The fourth proportional to 9,560.88, 13,190.82 and 5,785.20 is: 7,981.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,560.88 : 13,190.82 = 5,785.20 : x
  2. Step 2: Convert to fraction form
    9,560.88/13,190.82 = 5,785.20/x
  3. Step 3: Cross multiply
    9,560.88x = 13,190.82 × 5,785.20
  4. Step 4: Simplify right side
    9,560.88x = 76,311,531.86
  5. Step 5: Solve for x
    x = 76,311,531.86/9,560.88
  6. Step 6: Final answer
    x = 7,981.64

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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.