Home / 7,191.35-9,924.30-3,961.02

Finding the Fourth Proportional to 7,191.35, 9,924.30 and 3,961.02

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Solution

The fourth proportional to 7,191.35, 9,924.30 and 3,961.02 is: 5,466.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.35 : 9,924.30 = 3,961.02 : x
  2. Step 2: Convert to fraction form
    7,191.35/9,924.30 = 3,961.02/x
  3. Step 3: Cross multiply
    7,191.35x = 9,924.30 × 3,961.02
  4. Step 4: Simplify right side
    7,191.35x = 39,310,350.79
  5. Step 5: Solve for x
    x = 39,310,350.79/7,191.35
  6. Step 6: Final answer
    x = 5,466.34

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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.