Home / 6,666.88-10,010.60-5,640.37

Finding the Fourth Proportional to 6,666.88, 10,010.60 and 5,640.37

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Solution

The fourth proportional to 6,666.88, 10,010.60 and 5,640.37 is: 8,469.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.88 : 10,010.60 = 5,640.37 : x
  2. Step 2: Convert to fraction form
    6,666.88/10,010.60 = 5,640.37/x
  3. Step 3: Cross multiply
    6,666.88x = 10,010.60 × 5,640.37
  4. Step 4: Simplify right side
    6,666.88x = 56,463,487.92
  5. Step 5: Solve for x
    x = 56,463,487.92/6,666.88
  6. Step 6: Final answer
    x = 8,469.25

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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.