Home / 5,303.80-7,319.82-3,209.08

Finding the Fourth Proportional to 5,303.80, 7,319.82 and 3,209.08

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Solution

The fourth proportional to 5,303.80, 7,319.82 and 3,209.08 is: 4,428.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.80 : 7,319.82 = 3,209.08 : x
  2. Step 2: Convert to fraction form
    5,303.80/7,319.82 = 3,209.08/x
  3. Step 3: Cross multiply
    5,303.80x = 7,319.82 × 3,209.08
  4. Step 4: Simplify right side
    5,303.80x = 23,489,887.97
  5. Step 5: Solve for x
    x = 23,489,887.97/5,303.80
  6. Step 6: Final answer
    x = 4,428.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.