Home / 6,591.78-9,887.70-2,208.84

Finding the Fourth Proportional to 6,591.78, 9,887.70 and 2,208.84

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Solution

The fourth proportional to 6,591.78, 9,887.70 and 2,208.84 is: 3,313.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,591.78 : 9,887.70 = 2,208.84 : x
  2. Step 2: Convert to fraction form
    6,591.78/9,887.70 = 2,208.84/x
  3. Step 3: Cross multiply
    6,591.78x = 9,887.70 × 2,208.84
  4. Step 4: Simplify right side
    6,591.78x = 21,840,347.27
  5. Step 5: Solve for x
    x = 21,840,347.27/6,591.78
  6. Step 6: Final answer
    x = 3,313.27

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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.