Home / 5,252.32-7,878.56-4,207.44

Finding the Fourth Proportional to 5,252.32, 7,878.56 and 4,207.44

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Solution

The fourth proportional to 5,252.32, 7,878.56 and 4,207.44 is: 6,311.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.32 : 7,878.56 = 4,207.44 : x
  2. Step 2: Convert to fraction form
    5,252.32/7,878.56 = 4,207.44/x
  3. Step 3: Cross multiply
    5,252.32x = 7,878.56 × 4,207.44
  4. Step 4: Simplify right side
    5,252.32x = 33,148,568.49
  5. Step 5: Solve for x
    x = 33,148,568.49/5,252.32
  6. Step 6: Final answer
    x = 6,311.22

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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.