Home / 7,712.62-11,573.56-3,330.08

Finding the Fourth Proportional to 7,712.62, 11,573.56 and 3,330.08

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Solution

The fourth proportional to 7,712.62, 11,573.56 and 3,330.08 is: 4,997.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.62 : 11,573.56 = 3,330.08 : x
  2. Step 2: Convert to fraction form
    7,712.62/11,573.56 = 3,330.08/x
  3. Step 3: Cross multiply
    7,712.62x = 11,573.56 × 3,330.08
  4. Step 4: Simplify right side
    7,712.62x = 38,540,814.49
  5. Step 5: Solve for x
    x = 38,540,814.49/7,712.62
  6. Step 6: Final answer
    x = 4,997.11

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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.