Home / 7,239.06-10,806.12-6,697.98

Finding the Fourth Proportional to 7,239.06, 10,806.12 and 6,697.98

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Solution

The fourth proportional to 7,239.06, 10,806.12 and 6,697.98 is: 9,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.06 : 10,806.12 = 6,697.98 : x
  2. Step 2: Convert to fraction form
    7,239.06/10,806.12 = 6,697.98/x
  3. Step 3: Cross multiply
    7,239.06x = 10,806.12 × 6,697.98
  4. Step 4: Simplify right side
    7,239.06x = 72,379,175.64
  5. Step 5: Solve for x
    x = 72,379,175.64/7,239.06
  6. Step 6: Final answer
    x = 9,998.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.