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Finding the Fourth Proportional to 6,659.23, 9,981.08 and 5,010.48

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Solution

The fourth proportional to 6,659.23, 9,981.08 and 5,010.48 is: 7,509.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659.23 : 9,981.08 = 5,010.48 : x
  2. Step 2: Convert to fraction form
    6,659.23/9,981.08 = 5,010.48/x
  3. Step 3: Cross multiply
    6,659.23x = 9,981.08 × 5,010.48
  4. Step 4: Simplify right side
    6,659.23x = 50,010,001.72
  5. Step 5: Solve for x
    x = 50,010,001.72/6,659.23
  6. Step 6: Final answer
    x = 7,509.88

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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.