Home / 7,339.80-11,006.87-4,222.11

Finding the Fourth Proportional to 7,339.80, 11,006.87 and 4,222.11

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Solution

The fourth proportional to 7,339.80, 11,006.87 and 4,222.11 is: 6,331.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.80 : 11,006.87 = 4,222.11 : x
  2. Step 2: Convert to fraction form
    7,339.80/11,006.87 = 4,222.11/x
  3. Step 3: Cross multiply
    7,339.80x = 11,006.87 × 4,222.11
  4. Step 4: Simplify right side
    7,339.80x = 46,472,194.79
  5. Step 5: Solve for x
    x = 46,472,194.79/7,339.80
  6. Step 6: Final answer
    x = 6,331.53

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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.