Home / 6,441.67-8,887.49-3,608.66

Finding the Fourth Proportional to 6,441.67, 8,887.49 and 3,608.66

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Solution

The fourth proportional to 6,441.67, 8,887.49 and 3,608.66 is: 4,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.67 : 8,887.49 = 3,608.66 : x
  2. Step 2: Convert to fraction form
    6,441.67/8,887.49 = 3,608.66/x
  3. Step 3: Cross multiply
    6,441.67x = 8,887.49 × 3,608.66
  4. Step 4: Simplify right side
    6,441.67x = 32,071,947.37
  5. Step 5: Solve for x
    x = 32,071,947.37/6,441.67
  6. Step 6: Final answer
    x = 4,978.82

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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.