Home / 7,684.24-11,522.40-3,985.60

Finding the Fourth Proportional to 7,684.24, 11,522.40 and 3,985.60

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Solution

The fourth proportional to 7,684.24, 11,522.40 and 3,985.60 is: 5,976.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,684.24 : 11,522.40 = 3,985.60 : x
  2. Step 2: Convert to fraction form
    7,684.24/11,522.40 = 3,985.60/x
  3. Step 3: Cross multiply
    7,684.24x = 11,522.40 × 3,985.60
  4. Step 4: Simplify right side
    7,684.24x = 45,923,677.44
  5. Step 5: Solve for x
    x = 45,923,677.44/7,684.24
  6. Step 6: Final answer
    x = 5,976.35

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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.