Home / 7,728.08-11,594.39-2,663.55

Finding the Fourth Proportional to 7,728.08, 11,594.39 and 2,663.55

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Solution

The fourth proportional to 7,728.08, 11,594.39 and 2,663.55 is: 3,996.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.08 : 11,594.39 = 2,663.55 : x
  2. Step 2: Convert to fraction form
    7,728.08/11,594.39 = 2,663.55/x
  3. Step 3: Cross multiply
    7,728.08x = 11,594.39 × 2,663.55
  4. Step 4: Simplify right side
    7,728.08x = 30,882,224.17
  5. Step 5: Solve for x
    x = 30,882,224.17/7,728.08
  6. Step 6: Final answer
    x = 3,996.11

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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.