Home / 4,139.11-6,208.72-1,217.48

Finding the Fourth Proportional to 4,139.11, 6,208.72 and 1,217.48

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Solution

The fourth proportional to 4,139.11, 6,208.72 and 1,217.48 is: 1,826.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.11 : 6,208.72 = 1,217.48 : x
  2. Step 2: Convert to fraction form
    4,139.11/6,208.72 = 1,217.48/x
  3. Step 3: Cross multiply
    4,139.11x = 6,208.72 × 1,217.48
  4. Step 4: Simplify right side
    4,139.11x = 7,558,958.34
  5. Step 5: Solve for x
    x = 7,558,958.34/4,139.11
  6. Step 6: Final answer
    x = 1,826.23

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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.