Home / 7,220.27-9,963.90-4,235.54

Finding the Fourth Proportional to 7,220.27, 9,963.90 and 4,235.54

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Solution

The fourth proportional to 7,220.27, 9,963.90 and 4,235.54 is: 5,844.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.27 : 9,963.90 = 4,235.54 : x
  2. Step 2: Convert to fraction form
    7,220.27/9,963.90 = 4,235.54/x
  3. Step 3: Cross multiply
    7,220.27x = 9,963.90 × 4,235.54
  4. Step 4: Simplify right side
    7,220.27x = 42,202,447.19
  5. Step 5: Solve for x
    x = 42,202,447.19/7,220.27
  6. Step 6: Final answer
    x = 5,844.99

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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.