Home / 5,243.22-7,867.62-2,124.90

Finding the Fourth Proportional to 5,243.22, 7,867.62 and 2,124.90

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Solution

The fourth proportional to 5,243.22, 7,867.62 and 2,124.90 is: 3,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.22 : 7,867.62 = 2,124.90 : x
  2. Step 2: Convert to fraction form
    5,243.22/7,867.62 = 2,124.90/x
  3. Step 3: Cross multiply
    5,243.22x = 7,867.62 × 2,124.90
  4. Step 4: Simplify right side
    5,243.22x = 16,717,905.74
  5. Step 5: Solve for x
    x = 16,717,905.74/5,243.22
  6. Step 6: Final answer
    x = 3,188.48

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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.