Home / 5,311.62-7,968.34-1,614.22

Finding the Fourth Proportional to 5,311.62, 7,968.34 and 1,614.22

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Solution

The fourth proportional to 5,311.62, 7,968.34 and 1,614.22 is: 2,421.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.62 : 7,968.34 = 1,614.22 : x
  2. Step 2: Convert to fraction form
    5,311.62/7,968.34 = 1,614.22/x
  3. Step 3: Cross multiply
    5,311.62x = 7,968.34 × 1,614.22
  4. Step 4: Simplify right side
    5,311.62x = 12,862,680.71
  5. Step 5: Solve for x
    x = 12,862,680.71/5,311.62
  6. Step 6: Final answer
    x = 2,421.61

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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.