Home / 7,703.06-11,556-2,439.38

Finding the Fourth Proportional to 7,703.06, 11,556 and 2,439.38

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Solution

The fourth proportional to 7,703.06, 11,556 and 2,439.38 is: 3,659.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,703.06 : 11,556 = 2,439.38 : x
  2. Step 2: Convert to fraction form
    7,703.06/11,556 = 2,439.38/x
  3. Step 3: Cross multiply
    7,703.06x = 11,556 × 2,439.38
  4. Step 4: Simplify right side
    7,703.06x = 28,189,475.28
  5. Step 5: Solve for x
    x = 28,189,475.28/7,703.06
  6. Step 6: Final answer
    x = 3,659.52

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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.