Home / 4,253.14-6,379.37-2,688.58

Finding the Fourth Proportional to 4,253.14, 6,379.37 and 2,688.58

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Solution

The fourth proportional to 4,253.14, 6,379.37 and 2,688.58 is: 4,032.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.14 : 6,379.37 = 2,688.58 : x
  2. Step 2: Convert to fraction form
    4,253.14/6,379.37 = 2,688.58/x
  3. Step 3: Cross multiply
    4,253.14x = 6,379.37 × 2,688.58
  4. Step 4: Simplify right side
    4,253.14x = 17,151,433.15
  5. Step 5: Solve for x
    x = 17,151,433.15/4,253.14
  6. Step 6: Final answer
    x = 4,032.65

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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.