Home / 9,175.65-12,662.40-4,983.90

Finding the Fourth Proportional to 9,175.65, 12,662.40 and 4,983.90

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Solution

The fourth proportional to 9,175.65, 12,662.40 and 4,983.90 is: 6,877.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.65 : 12,662.40 = 4,983.90 : x
  2. Step 2: Convert to fraction form
    9,175.65/12,662.40 = 4,983.90/x
  3. Step 3: Cross multiply
    9,175.65x = 12,662.40 × 4,983.90
  4. Step 4: Simplify right side
    9,175.65x = 63,108,135.36
  5. Step 5: Solve for x
    x = 63,108,135.36/9,175.65
  6. Step 6: Final answer
    x = 6,877.78

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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.