Home / 9,822.20-13,552.38-5,572.22

Finding the Fourth Proportional to 9,822.20, 13,552.38 and 5,572.22

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Solution

The fourth proportional to 9,822.20, 13,552.38 and 5,572.22 is: 7,688.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,822.20 : 13,552.38 = 5,572.22 : x
  2. Step 2: Convert to fraction form
    9,822.20/13,552.38 = 5,572.22/x
  3. Step 3: Cross multiply
    9,822.20x = 13,552.38 × 5,572.22
  4. Step 4: Simplify right side
    9,822.20x = 75,516,775.12
  5. Step 5: Solve for x
    x = 75,516,775.12/9,822.20
  6. Step 6: Final answer
    x = 7,688.38

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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.