Home / 7,725.30-11,588.76-3,343.20

Finding the Fourth Proportional to 7,725.30, 11,588.76 and 3,343.20

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Solution

The fourth proportional to 7,725.30, 11,588.76 and 3,343.20 is: 5,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.30 : 11,588.76 = 3,343.20 : x
  2. Step 2: Convert to fraction form
    7,725.30/11,588.76 = 3,343.20/x
  3. Step 3: Cross multiply
    7,725.30x = 11,588.76 × 3,343.20
  4. Step 4: Simplify right side
    7,725.30x = 38,743,542.43
  5. Step 5: Solve for x
    x = 38,743,542.43/7,725.30
  6. Step 6: Final answer
    x = 5,015.15

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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.