Home / 9,319.01-13,974.09-3,391.70

Finding the Fourth Proportional to 9,319.01, 13,974.09 and 3,391.70

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Solution

The fourth proportional to 9,319.01, 13,974.09 and 3,391.70 is: 5,085.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.01 : 13,974.09 = 3,391.70 : x
  2. Step 2: Convert to fraction form
    9,319.01/13,974.09 = 3,391.70/x
  3. Step 3: Cross multiply
    9,319.01x = 13,974.09 × 3,391.70
  4. Step 4: Simplify right side
    9,319.01x = 47,395,851.18
  5. Step 5: Solve for x
    x = 47,395,851.18/9,319.01
  6. Step 6: Final answer
    x = 5,085.93

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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.