Home / 4,139.91-6,208.55-1,366.07

Finding the Fourth Proportional to 4,139.91, 6,208.55 and 1,366.07

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Solution

The fourth proportional to 4,139.91, 6,208.55 and 1,366.07 is: 2,048.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.91 : 6,208.55 = 1,366.07 : x
  2. Step 2: Convert to fraction form
    4,139.91/6,208.55 = 1,366.07/x
  3. Step 3: Cross multiply
    4,139.91x = 6,208.55 × 1,366.07
  4. Step 4: Simplify right side
    4,139.91x = 8,481,281.15
  5. Step 5: Solve for x
    x = 8,481,281.15/4,139.91
  6. Step 6: Final answer
    x = 2,048.66

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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.