Home / 6,441.39-8,887.10-3,608.38

Finding the Fourth Proportional to 6,441.39, 8,887.10 and 3,608.38

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Solution

The fourth proportional to 6,441.39, 8,887.10 and 3,608.38 is: 4,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.39 : 8,887.10 = 3,608.38 : x
  2. Step 2: Convert to fraction form
    6,441.39/8,887.10 = 3,608.38/x
  3. Step 3: Cross multiply
    6,441.39x = 8,887.10 × 3,608.38
  4. Step 4: Simplify right side
    6,441.39x = 32,068,047.26
  5. Step 5: Solve for x
    x = 32,068,047.26/6,441.39
  6. Step 6: Final answer
    x = 4,978.44

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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.