Home / 7,472.22-10,314.39-6,072.54

Finding the Fourth Proportional to 7,472.22, 10,314.39 and 6,072.54

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Solution

The fourth proportional to 7,472.22, 10,314.39 and 6,072.54 is: 8,382.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.22 : 10,314.39 = 6,072.54 : x
  2. Step 2: Convert to fraction form
    7,472.22/10,314.39 = 6,072.54/x
  3. Step 3: Cross multiply
    7,472.22x = 10,314.39 × 6,072.54
  4. Step 4: Simplify right side
    7,472.22x = 62,634,545.85
  5. Step 5: Solve for x
    x = 62,634,545.85/7,472.22
  6. Step 6: Final answer
    x = 8,382.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.