Home / 8,247.25-11,381.21-4,521.17

Finding the Fourth Proportional to 8,247.25, 11,381.21 and 4,521.17

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Solution

The fourth proportional to 8,247.25, 11,381.21 and 4,521.17 is: 6,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.25 : 11,381.21 = 4,521.17 : x
  2. Step 2: Convert to fraction form
    8,247.25/11,381.21 = 4,521.17/x
  3. Step 3: Cross multiply
    8,247.25x = 11,381.21 × 4,521.17
  4. Step 4: Simplify right side
    8,247.25x = 51,456,362.61
  5. Step 5: Solve for x
    x = 51,456,362.61/8,247.25
  6. Step 6: Final answer
    x = 6,239.21

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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.