Home / 7,249.47-10,866.63-4,122.74

Finding the Fourth Proportional to 7,249.47, 10,866.63 and 4,122.74

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Solution

The fourth proportional to 7,249.47, 10,866.63 and 4,122.74 is: 6,179.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.47 : 10,866.63 = 4,122.74 : x
  2. Step 2: Convert to fraction form
    7,249.47/10,866.63 = 4,122.74/x
  3. Step 3: Cross multiply
    7,249.47x = 10,866.63 × 4,122.74
  4. Step 4: Simplify right side
    7,249.47x = 44,800,235.83
  5. Step 5: Solve for x
    x = 44,800,235.83/7,249.47
  6. Step 6: Final answer
    x = 6,179.79

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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.