Home / 7,146.23-10,717.08-6,679.79

Finding the Fourth Proportional to 7,146.23, 10,717.08 and 6,679.79

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Solution

The fourth proportional to 7,146.23, 10,717.08 and 6,679.79 is: 10,017.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.23 : 10,717.08 = 6,679.79 : x
  2. Step 2: Convert to fraction form
    7,146.23/10,717.08 = 6,679.79/x
  3. Step 3: Cross multiply
    7,146.23x = 10,717.08 × 6,679.79
  4. Step 4: Simplify right side
    7,146.23x = 71,587,845.56
  5. Step 5: Solve for x
    x = 71,587,845.56/7,146.23
  6. Step 6: Final answer
    x = 10,017.56

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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.