Home / 7,239.45-10,860.63-3,079.44

Finding the Fourth Proportional to 7,239.45, 10,860.63 and 3,079.44

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Solution

The fourth proportional to 7,239.45, 10,860.63 and 3,079.44 is: 4,619.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.45 : 10,860.63 = 3,079.44 : x
  2. Step 2: Convert to fraction form
    7,239.45/10,860.63 = 3,079.44/x
  3. Step 3: Cross multiply
    7,239.45x = 10,860.63 × 3,079.44
  4. Step 4: Simplify right side
    7,239.45x = 33,444,658.45
  5. Step 5: Solve for x
    x = 33,444,658.45/7,239.45
  6. Step 6: Final answer
    x = 4,619.78

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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.