Home / 5,215.72-7,825.38-2,296.12

Finding the Fourth Proportional to 5,215.72, 7,825.38 and 2,296.12

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Solution

The fourth proportional to 5,215.72, 7,825.38 and 2,296.12 is: 3,444.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215.72 : 7,825.38 = 2,296.12 : x
  2. Step 2: Convert to fraction form
    5,215.72/7,825.38 = 2,296.12/x
  3. Step 3: Cross multiply
    5,215.72x = 7,825.38 × 2,296.12
  4. Step 4: Simplify right side
    5,215.72x = 17,968,011.53
  5. Step 5: Solve for x
    x = 17,968,011.53/5,215.72
  6. Step 6: Final answer
    x = 3,444.97

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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.