Home / 6,889.10-10,326.74-2,505.38

Finding the Fourth Proportional to 6,889.10, 10,326.74 and 2,505.38

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Solution

The fourth proportional to 6,889.10, 10,326.74 and 2,505.38 is: 3,755.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.10 : 10,326.74 = 2,505.38 : x
  2. Step 2: Convert to fraction form
    6,889.10/10,326.74 = 2,505.38/x
  3. Step 3: Cross multiply
    6,889.10x = 10,326.74 × 2,505.38
  4. Step 4: Simplify right side
    6,889.10x = 25,872,407.86
  5. Step 5: Solve for x
    x = 25,872,407.86/6,889.10
  6. Step 6: Final answer
    x = 3,755.56

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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.