Home / 8,568.78-12,854.67-3,025.35

Finding the Fourth Proportional to 8,568.78, 12,854.67 and 3,025.35

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Solution

The fourth proportional to 8,568.78, 12,854.67 and 3,025.35 is: 4,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.78 : 12,854.67 = 3,025.35 : x
  2. Step 2: Convert to fraction form
    8,568.78/12,854.67 = 3,025.35/x
  3. Step 3: Cross multiply
    8,568.78x = 12,854.67 × 3,025.35
  4. Step 4: Simplify right side
    8,568.78x = 38,889,875.88
  5. Step 5: Solve for x
    x = 38,889,875.88/8,568.78
  6. Step 6: Final answer
    x = 4,538.55

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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.