Home / 5,286.94-7,924.47-2,511.34

Finding the Fourth Proportional to 5,286.94, 7,924.47 and 2,511.34

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Solution

The fourth proportional to 5,286.94, 7,924.47 and 2,511.34 is: 3,764.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.94 : 7,924.47 = 2,511.34 : x
  2. Step 2: Convert to fraction form
    5,286.94/7,924.47 = 2,511.34/x
  3. Step 3: Cross multiply
    5,286.94x = 7,924.47 × 2,511.34
  4. Step 4: Simplify right side
    5,286.94x = 19,901,038.49
  5. Step 5: Solve for x
    x = 19,901,038.49/5,286.94
  6. Step 6: Final answer
    x = 3,764.19

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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.