Home / 9,128.19-13,687.01-3,575.04

Finding the Fourth Proportional to 9,128.19, 13,687.01 and 3,575.04

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Solution

The fourth proportional to 9,128.19, 13,687.01 and 3,575.04 is: 5,360.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.19 : 13,687.01 = 3,575.04 : x
  2. Step 2: Convert to fraction form
    9,128.19/13,687.01 = 3,575.04/x
  3. Step 3: Cross multiply
    9,128.19x = 13,687.01 × 3,575.04
  4. Step 4: Simplify right side
    9,128.19x = 48,931,552.44
  5. Step 5: Solve for x
    x = 48,931,552.44/9,128.19
  6. Step 6: Final answer
    x = 5,360.49

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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.