Home / 7,220.45-10,828.46-3,060.38

Finding the Fourth Proportional to 7,220.45, 10,828.46 and 3,060.38

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Solution

The fourth proportional to 7,220.45, 10,828.46 and 3,060.38 is: 4,589.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.45 : 10,828.46 = 3,060.38 : x
  2. Step 2: Convert to fraction form
    7,220.45/10,828.46 = 3,060.38/x
  3. Step 3: Cross multiply
    7,220.45x = 10,828.46 × 3,060.38
  4. Step 4: Simplify right side
    7,220.45x = 33,139,155.92
  5. Step 5: Solve for x
    x = 33,139,155.92/7,220.45
  6. Step 6: Final answer
    x = 4,589.63

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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.