Home / 5,227.21-7,216.93-3,239.88

Finding the Fourth Proportional to 5,227.21, 7,216.93 and 3,239.88

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Solution

The fourth proportional to 5,227.21, 7,216.93 and 3,239.88 is: 4,473.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.21 : 7,216.93 = 3,239.88 : x
  2. Step 2: Convert to fraction form
    5,227.21/7,216.93 = 3,239.88/x
  3. Step 3: Cross multiply
    5,227.21x = 7,216.93 × 3,239.88
  4. Step 4: Simplify right side
    5,227.21x = 23,381,987.17
  5. Step 5: Solve for x
    x = 23,381,987.17/5,227.21
  6. Step 6: Final answer
    x = 4,473.13

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1.5x scale

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.