Home / 9,319.25-13,980.80-3,079.82

Finding the Fourth Proportional to 9,319.25, 13,980.80 and 3,079.82

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Solution

The fourth proportional to 9,319.25, 13,980.80 and 3,079.82 is: 4,620.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.25 : 13,980.80 = 3,079.82 : x
  2. Step 2: Convert to fraction form
    9,319.25/13,980.80 = 3,079.82/x
  3. Step 3: Cross multiply
    9,319.25x = 13,980.80 × 3,079.82
  4. Step 4: Simplify right side
    9,319.25x = 43,058,390.11
  5. Step 5: Solve for x
    x = 43,058,390.11/9,319.25
  6. Step 6: Final answer
    x = 4,620.37

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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.