Home / 7,397.37-11,099.70-5,220.09

Finding the Fourth Proportional to 7,397.37, 11,099.70 and 5,220.09

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Solution

The fourth proportional to 7,397.37, 11,099.70 and 5,220.09 is: 7,832.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.37 : 11,099.70 = 5,220.09 : x
  2. Step 2: Convert to fraction form
    7,397.37/11,099.70 = 5,220.09/x
  3. Step 3: Cross multiply
    7,397.37x = 11,099.70 × 5,220.09
  4. Step 4: Simplify right side
    7,397.37x = 57,941,432.97
  5. Step 5: Solve for x
    x = 57,941,432.97/7,397.37
  6. Step 6: Final answer
    x = 7,832.71

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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.