Home / 7,406.45-10,220.87-4,049.27

Finding the Fourth Proportional to 7,406.45, 10,220.87 and 4,049.27

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Solution

The fourth proportional to 7,406.45, 10,220.87 and 4,049.27 is: 5,587.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.45 : 10,220.87 = 4,049.27 : x
  2. Step 2: Convert to fraction form
    7,406.45/10,220.87 = 4,049.27/x
  3. Step 3: Cross multiply
    7,406.45x = 10,220.87 × 4,049.27
  4. Step 4: Simplify right side
    7,406.45x = 41,387,021.28
  5. Step 5: Solve for x
    x = 41,387,021.28/7,406.45
  6. Step 6: Final answer
    x = 5,587.97

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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.