Home / 6,684.60-9,221.20-5,427.04

Finding the Fourth Proportional to 6,684.60, 9,221.20 and 5,427.04

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Solution

The fourth proportional to 6,684.60, 9,221.20 and 5,427.04 is: 7,486.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,684.60 : 9,221.20 = 5,427.04 : x
  2. Step 2: Convert to fraction form
    6,684.60/9,221.20 = 5,427.04/x
  3. Step 3: Cross multiply
    6,684.60x = 9,221.20 × 5,427.04
  4. Step 4: Simplify right side
    6,684.60x = 50,043,821.25
  5. Step 5: Solve for x
    x = 50,043,821.25/6,684.60
  6. Step 6: Final answer
    x = 7,486.43

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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.