Home / 7,041.27-10,578.69-4,121.61

Finding the Fourth Proportional to 7,041.27, 10,578.69 and 4,121.61

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Solution

The fourth proportional to 7,041.27, 10,578.69 and 4,121.61 is: 6,192.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.27 : 10,578.69 = 4,121.61 : x
  2. Step 2: Convert to fraction form
    7,041.27/10,578.69 = 4,121.61/x
  3. Step 3: Cross multiply
    7,041.27x = 10,578.69 × 4,121.61
  4. Step 4: Simplify right side
    7,041.27x = 43,601,234.49
  5. Step 5: Solve for x
    x = 43,601,234.49/7,041.27
  6. Step 6: Final answer
    x = 6,192.24

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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.