Home / 9,153.80-13,731.57-2,490.38

Finding the Fourth Proportional to 9,153.80, 13,731.57 and 2,490.38

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Solution

The fourth proportional to 9,153.80, 13,731.57 and 2,490.38 is: 3,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.80 : 13,731.57 = 2,490.38 : x
  2. Step 2: Convert to fraction form
    9,153.80/13,731.57 = 2,490.38/x
  3. Step 3: Cross multiply
    9,153.80x = 13,731.57 × 2,490.38
  4. Step 4: Simplify right side
    9,153.80x = 34,196,758.64
  5. Step 5: Solve for x
    x = 34,196,758.64/9,153.80
  6. Step 6: Final answer
    x = 3,735.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.