Home / 6,889.28-10,327.65-2,505.71

Finding the Fourth Proportional to 6,889.28, 10,327.65 and 2,505.71

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Solution

The fourth proportional to 6,889.28, 10,327.65 and 2,505.71 is: 3,756.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.28 : 10,327.65 = 2,505.71 : x
  2. Step 2: Convert to fraction form
    6,889.28/10,327.65 = 2,505.71/x
  3. Step 3: Cross multiply
    6,889.28x = 10,327.65 × 2,505.71
  4. Step 4: Simplify right side
    6,889.28x = 25,878,097.35
  5. Step 5: Solve for x
    x = 25,878,097.35/6,889.28
  6. Step 6: Final answer
    x = 3,756.29

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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.