Home / 9,175.20-12,661.40-4,983.36

Finding the Fourth Proportional to 9,175.20, 12,661.40 and 4,983.36

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Solution

The fourth proportional to 9,175.20, 12,661.40 and 4,983.36 is: 6,876.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.20 : 12,661.40 = 4,983.36 : x
  2. Step 2: Convert to fraction form
    9,175.20/12,661.40 = 4,983.36/x
  3. Step 3: Cross multiply
    9,175.20x = 12,661.40 × 4,983.36
  4. Step 4: Simplify right side
    9,175.20x = 63,096,314.30
  5. Step 5: Solve for x
    x = 63,096,314.30/9,175.20
  6. Step 6: Final answer
    x = 6,876.83

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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.