Home / 6,387.35-8,811.32-3,733.02

Finding the Fourth Proportional to 6,387.35, 8,811.32 and 3,733.02

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Solution

The fourth proportional to 6,387.35, 8,811.32 and 3,733.02 is: 5,149.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.35 : 8,811.32 = 3,733.02 : x
  2. Step 2: Convert to fraction form
    6,387.35/8,811.32 = 3,733.02/x
  3. Step 3: Cross multiply
    6,387.35x = 8,811.32 × 3,733.02
  4. Step 4: Simplify right side
    6,387.35x = 32,892,815.12
  5. Step 5: Solve for x
    x = 32,892,815.12/6,387.35
  6. Step 6: Final answer
    x = 5,149.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.