Home / 4,139.15-6,208.92-1,217.48

Finding the Fourth Proportional to 4,139.15, 6,208.92 and 1,217.48

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Solution

The fourth proportional to 4,139.15, 6,208.92 and 1,217.48 is: 1,826.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.15 : 6,208.92 = 1,217.48 : x
  2. Step 2: Convert to fraction form
    4,139.15/6,208.92 = 1,217.48/x
  3. Step 3: Cross multiply
    4,139.15x = 6,208.92 × 1,217.48
  4. Step 4: Simplify right side
    4,139.15x = 7,559,204.88
  5. Step 5: Solve for x
    x = 7,559,204.88/4,139.15
  6. Step 6: Final answer
    x = 1,826.27

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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.