Home / 7,408.64-11,107.46-4,486.28

Finding the Fourth Proportional to 7,408.64, 11,107.46 and 4,486.28

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Solution

The fourth proportional to 7,408.64, 11,107.46 and 4,486.28 is: 6,726.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.64 : 11,107.46 = 4,486.28 : x
  2. Step 2: Convert to fraction form
    7,408.64/11,107.46 = 4,486.28/x
  3. Step 3: Cross multiply
    7,408.64x = 11,107.46 × 4,486.28
  4. Step 4: Simplify right side
    7,408.64x = 49,831,175.65
  5. Step 5: Solve for x
    x = 49,831,175.65/7,408.64
  6. Step 6: Final answer
    x = 6,726.09

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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.