Home / 9,155.62-12,634.80-4,963.90

Finding the Fourth Proportional to 9,155.62, 12,634.80 and 4,963.90

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Solution

The fourth proportional to 9,155.62, 12,634.80 and 4,963.90 is: 6,850.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.62 : 12,634.80 = 4,963.90 : x
  2. Step 2: Convert to fraction form
    9,155.62/12,634.80 = 4,963.90/x
  3. Step 3: Cross multiply
    9,155.62x = 12,634.80 × 4,963.90
  4. Step 4: Simplify right side
    9,155.62x = 62,717,883.72
  5. Step 5: Solve for x
    x = 62,717,883.72/9,155.62
  6. Step 6: Final answer
    x = 6,850.21

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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.