Home / 9,128.88-13,690.08-3,582

Finding the Fourth Proportional to 9,128.88, 13,690.08 and 3,582

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Solution

The fourth proportional to 9,128.88, 13,690.08 and 3,582 is: 5,371.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.88 : 13,690.08 = 3,582 : x
  2. Step 2: Convert to fraction form
    9,128.88/13,690.08 = 3,582/x
  3. Step 3: Cross multiply
    9,128.88x = 13,690.08 × 3,582
  4. Step 4: Simplify right side
    9,128.88x = 49,037,866.56
  5. Step 5: Solve for x
    x = 49,037,866.56/9,128.88
  6. Step 6: Final answer
    x = 5,371.73

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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.