Home / 7,206.05-9,946.82-4,222.85

Finding the Fourth Proportional to 7,206.05, 9,946.82 and 4,222.85

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Solution

The fourth proportional to 7,206.05, 9,946.82 and 4,222.85 is: 5,828.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206.05 : 9,946.82 = 4,222.85 : x
  2. Step 2: Convert to fraction form
    7,206.05/9,946.82 = 4,222.85/x
  3. Step 3: Cross multiply
    7,206.05x = 9,946.82 × 4,222.85
  4. Step 4: Simplify right side
    7,206.05x = 42,003,889.66
  5. Step 5: Solve for x
    x = 42,003,889.66/7,206.05
  6. Step 6: Final answer
    x = 5,828.98

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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.