Home / 4,758.32-7,137.48-2,809.46

Finding the Fourth Proportional to 4,758.32, 7,137.48 and 2,809.46

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Solution

The fourth proportional to 4,758.32, 7,137.48 and 2,809.46 is: 4,214.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.32 : 7,137.48 = 2,809.46 : x
  2. Step 2: Convert to fraction form
    4,758.32/7,137.48 = 2,809.46/x
  3. Step 3: Cross multiply
    4,758.32x = 7,137.48 × 2,809.46
  4. Step 4: Simplify right side
    4,758.32x = 20,052,464.56
  5. Step 5: Solve for x
    x = 20,052,464.56/4,758.32
  6. Step 6: Final answer
    x = 4,214.19

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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.