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Finding the Fourth Proportional to 7,950.06, 11,902.41 and 6,309

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Solution

The fourth proportional to 7,950.06, 11,902.41 and 6,309 is: 9,445.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.06 : 11,902.41 = 6,309 : x
  2. Step 2: Convert to fraction form
    7,950.06/11,902.41 = 6,309/x
  3. Step 3: Cross multiply
    7,950.06x = 11,902.41 × 6,309
  4. Step 4: Simplify right side
    7,950.06x = 75,092,304.69
  5. Step 5: Solve for x
    x = 75,092,304.69/7,950.06
  6. Step 6: Final answer
    x = 9,445.50

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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.