Home / 8,918.98-13,375.59-3,074.02

Finding the Fourth Proportional to 8,918.98, 13,375.59 and 3,074.02

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Solution

The fourth proportional to 8,918.98, 13,375.59 and 3,074.02 is: 4,610.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918.98 : 13,375.59 = 3,074.02 : x
  2. Step 2: Convert to fraction form
    8,918.98/13,375.59 = 3,074.02/x
  3. Step 3: Cross multiply
    8,918.98x = 13,375.59 × 3,074.02
  4. Step 4: Simplify right side
    8,918.98x = 41,116,831.17
  5. Step 5: Solve for x
    x = 41,116,831.17/8,918.98
  6. Step 6: Final answer
    x = 4,610.04

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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.