Home / 5,308.14-7,959.16-2,190.29

Finding the Fourth Proportional to 5,308.14, 7,959.16 and 2,190.29

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Solution

The fourth proportional to 5,308.14, 7,959.16 and 2,190.29 is: 3,284.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.14 : 7,959.16 = 2,190.29 : x
  2. Step 2: Convert to fraction form
    5,308.14/7,959.16 = 2,190.29/x
  3. Step 3: Cross multiply
    5,308.14x = 7,959.16 × 2,190.29
  4. Step 4: Simplify right side
    5,308.14x = 17,432,891.19
  5. Step 5: Solve for x
    x = 17,432,891.19/5,308.14
  6. Step 6: Final answer
    x = 3,284.18

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1.5x scale

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.