Home / 7,220.10-10,825.49-4,747.43

Finding the Fourth Proportional to 7,220.10, 10,825.49 and 4,747.43

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Solution

The fourth proportional to 7,220.10, 10,825.49 and 4,747.43 is: 7,118.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.10 : 10,825.49 = 4,747.43 : x
  2. Step 2: Convert to fraction form
    7,220.10/10,825.49 = 4,747.43/x
  3. Step 3: Cross multiply
    7,220.10x = 10,825.49 × 4,747.43
  4. Step 4: Simplify right side
    7,220.10x = 51,393,200.65
  5. Step 5: Solve for x
    x = 51,393,200.65/7,220.10
  6. Step 6: Final answer
    x = 7,118.07

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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.