Home / 5,155.62-7,716.32-4,694.46

Finding the Fourth Proportional to 5,155.62, 7,716.32 and 4,694.46

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Solution

The fourth proportional to 5,155.62, 7,716.32 and 4,694.46 is: 7,026.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.62 : 7,716.32 = 4,694.46 : x
  2. Step 2: Convert to fraction form
    5,155.62/7,716.32 = 4,694.46/x
  3. Step 3: Cross multiply
    5,155.62x = 7,716.32 × 4,694.46
  4. Step 4: Simplify right side
    5,155.62x = 36,223,955.59
  5. Step 5: Solve for x
    x = 36,223,955.59/5,155.62
  6. Step 6: Final answer
    x = 7,026.11

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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.