Home / 4,139.88-6,209.83-1,217.96

Finding the Fourth Proportional to 4,139.88, 6,209.83 and 1,217.96

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Solution

The fourth proportional to 4,139.88, 6,209.83 and 1,217.96 is: 1,826.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.88 : 6,209.83 = 1,217.96 : x
  2. Step 2: Convert to fraction form
    4,139.88/6,209.83 = 1,217.96/x
  3. Step 3: Cross multiply
    4,139.88x = 6,209.83 × 1,217.96
  4. Step 4: Simplify right side
    4,139.88x = 7,563,330.63
  5. Step 5: Solve for x
    x = 7,563,330.63/4,139.88
  6. Step 6: Final answer
    x = 1,826.94

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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.