Home / 5,319.92-7,979.58-1,622.08

Finding the Fourth Proportional to 5,319.92, 7,979.58 and 1,622.08

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Solution

The fourth proportional to 5,319.92, 7,979.58 and 1,622.08 is: 2,433.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.92 : 7,979.58 = 1,622.08 : x
  2. Step 2: Convert to fraction form
    5,319.92/7,979.58 = 1,622.08/x
  3. Step 3: Cross multiply
    5,319.92x = 7,979.58 × 1,622.08
  4. Step 4: Simplify right side
    5,319.92x = 12,943,517.13
  5. Step 5: Solve for x
    x = 12,943,517.13/5,319.92
  6. Step 6: Final answer
    x = 2,433.03

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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.