Home / 4,207.35-6,310.77-1,866.68

Finding the Fourth Proportional to 4,207.35, 6,310.77 and 1,866.68

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Solution

The fourth proportional to 4,207.35, 6,310.77 and 1,866.68 is: 2,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.35 : 6,310.77 = 1,866.68 : x
  2. Step 2: Convert to fraction form
    4,207.35/6,310.77 = 1,866.68/x
  3. Step 3: Cross multiply
    4,207.35x = 6,310.77 × 1,866.68
  4. Step 4: Simplify right side
    4,207.35x = 11,780,156.59
  5. Step 5: Solve for x
    x = 11,780,156.59/4,207.35
  6. Step 6: Final answer
    x = 2,799.90

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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.