Home / 5,252.32-7,879.59-4,392.64

Finding the Fourth Proportional to 5,252.32, 7,879.59 and 4,392.64

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Solution

The fourth proportional to 5,252.32, 7,879.59 and 4,392.64 is: 6,589.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.32 : 7,879.59 = 4,392.64 : x
  2. Step 2: Convert to fraction form
    5,252.32/7,879.59 = 4,392.64/x
  3. Step 3: Cross multiply
    5,252.32x = 7,879.59 × 4,392.64
  4. Step 4: Simplify right side
    5,252.32x = 34,612,202.22
  5. Step 5: Solve for x
    x = 34,612,202.22/5,252.32
  6. Step 6: Final answer
    x = 6,589.89

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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.