Home / 4,239.12-6,364.25-2,858.68

Finding the Fourth Proportional to 4,239.12, 6,364.25 and 2,858.68

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Solution

The fourth proportional to 4,239.12, 6,364.25 and 2,858.68 is: 4,291.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.12 : 6,364.25 = 2,858.68 : x
  2. Step 2: Convert to fraction form
    4,239.12/6,364.25 = 2,858.68/x
  3. Step 3: Cross multiply
    4,239.12x = 6,364.25 × 2,858.68
  4. Step 4: Simplify right side
    4,239.12x = 18,193,354.19
  5. Step 5: Solve for x
    x = 18,193,354.19/4,239.12
  6. Step 6: Final answer
    x = 4,291.78

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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.