Home / 4,139.86-6,208.48-1,366.02

Finding the Fourth Proportional to 4,139.86, 6,208.48 and 1,366.02

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Solution

The fourth proportional to 4,139.86, 6,208.48 and 1,366.02 is: 2,048.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.86 : 6,208.48 = 1,366.02 : x
  2. Step 2: Convert to fraction form
    4,139.86/6,208.48 = 1,366.02/x
  3. Step 3: Cross multiply
    4,139.86x = 6,208.48 × 1,366.02
  4. Step 4: Simplify right side
    4,139.86x = 8,480,892.79
  5. Step 5: Solve for x
    x = 8,480,892.79/4,139.86
  6. Step 6: Final answer
    x = 2,048.59

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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.