Home / 6,887.09-10,331.57-2,505.80

Finding the Fourth Proportional to 6,887.09, 10,331.57 and 2,505.80

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Solution

The fourth proportional to 6,887.09, 10,331.57 and 2,505.80 is: 3,759.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.09 : 10,331.57 = 2,505.80 : x
  2. Step 2: Convert to fraction form
    6,887.09/10,331.57 = 2,505.80/x
  3. Step 3: Cross multiply
    6,887.09x = 10,331.57 × 2,505.80
  4. Step 4: Simplify right side
    6,887.09x = 25,888,848.11
  5. Step 5: Solve for x
    x = 25,888,848.11/6,887.09
  6. Step 6: Final answer
    x = 3,759.04

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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.