Home / 7,684.04-11,517.84-5,486.11

Finding the Fourth Proportional to 7,684.04, 11,517.84 and 5,486.11

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Solution

The fourth proportional to 7,684.04, 11,517.84 and 5,486.11 is: 8,223.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,684.04 : 11,517.84 = 5,486.11 : x
  2. Step 2: Convert to fraction form
    7,684.04/11,517.84 = 5,486.11/x
  3. Step 3: Cross multiply
    7,684.04x = 11,517.84 × 5,486.11
  4. Step 4: Simplify right side
    7,684.04x = 63,188,108.41
  5. Step 5: Solve for x
    x = 63,188,108.41/7,684.04
  6. Step 6: Final answer
    x = 8,223.29

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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.