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Finding the Fourth Proportional to 5,535.75, 8,260.81 and 4,944.39

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Solution

The fourth proportional to 5,535.75, 8,260.81 and 4,944.39 is: 7,378.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.75 : 8,260.81 = 4,944.39 : x
  2. Step 2: Convert to fraction form
    5,535.75/8,260.81 = 4,944.39/x
  3. Step 3: Cross multiply
    5,535.75x = 8,260.81 × 4,944.39
  4. Step 4: Simplify right side
    5,535.75x = 40,844,666.36
  5. Step 5: Solve for x
    x = 40,844,666.36/5,535.75
  6. Step 6: Final answer
    x = 7,378.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.