Home / 9,838.92-13,577.79-5,362.70

Finding the Fourth Proportional to 9,838.92, 13,577.79 and 5,362.70

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Solution

The fourth proportional to 9,838.92, 13,577.79 and 5,362.70 is: 7,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,838.92 : 13,577.79 = 5,362.70 : x
  2. Step 2: Convert to fraction form
    9,838.92/13,577.79 = 5,362.70/x
  3. Step 3: Cross multiply
    9,838.92x = 13,577.79 × 5,362.70
  4. Step 4: Simplify right side
    9,838.92x = 72,813,546.54
  5. Step 5: Solve for x
    x = 72,813,546.54/9,838.92
  6. Step 6: Final answer
    x = 7,400.56

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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.