Home / 6,856.78-9,463.37-4,025.72

Finding the Fourth Proportional to 6,856.78, 9,463.37 and 4,025.72

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Solution

The fourth proportional to 6,856.78, 9,463.37 and 4,025.72 is: 5,556.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,856.78 : 9,463.37 = 4,025.72 : x
  2. Step 2: Convert to fraction form
    6,856.78/9,463.37 = 4,025.72/x
  3. Step 3: Cross multiply
    6,856.78x = 9,463.37 × 4,025.72
  4. Step 4: Simplify right side
    6,856.78x = 38,096,830.56
  5. Step 5: Solve for x
    x = 38,096,830.56/6,856.78
  6. Step 6: Final answer
    x = 5,556.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.