Home / 4,758.32-7,135.12-2,784.64

Finding the Fourth Proportional to 4,758.32, 7,135.12 and 2,784.64

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Solution

The fourth proportional to 4,758.32, 7,135.12 and 2,784.64 is: 4,175.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.32 : 7,135.12 = 2,784.64 : x
  2. Step 2: Convert to fraction form
    4,758.32/7,135.12 = 2,784.64/x
  3. Step 3: Cross multiply
    4,758.32x = 7,135.12 × 2,784.64
  4. Step 4: Simplify right side
    4,758.32x = 19,868,740.56
  5. Step 5: Solve for x
    x = 19,868,740.56/4,758.32
  6. Step 6: Final answer
    x = 4,175.58

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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.