Home / 5,360.66-8,031-3,162.86

Finding the Fourth Proportional to 5,360.66, 8,031 and 3,162.86

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Solution

The fourth proportional to 5,360.66, 8,031 and 3,162.86 is: 4,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.66 : 8,031 = 3,162.86 : x
  2. Step 2: Convert to fraction form
    5,360.66/8,031 = 3,162.86/x
  3. Step 3: Cross multiply
    5,360.66x = 8,031 × 3,162.86
  4. Step 4: Simplify right side
    5,360.66x = 25,400,928.66
  5. Step 5: Solve for x
    x = 25,400,928.66/5,360.66
  6. Step 6: Final answer
    x = 4,738.40

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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.