Home / 7,220.72-10,833.24-3,325.16

Finding the Fourth Proportional to 7,220.72, 10,833.24 and 3,325.16

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Solution

The fourth proportional to 7,220.72, 10,833.24 and 3,325.16 is: 4,988.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.72 : 10,833.24 = 3,325.16 : x
  2. Step 2: Convert to fraction form
    7,220.72/10,833.24 = 3,325.16/x
  3. Step 3: Cross multiply
    7,220.72x = 10,833.24 × 3,325.16
  4. Step 4: Simplify right side
    7,220.72x = 36,022,256.32
  5. Step 5: Solve for x
    x = 36,022,256.32/7,220.72
  6. Step 6: Final answer
    x = 4,988.73

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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.