Home / 4,139.85-6,208.45-1,366.01

Finding the Fourth Proportional to 4,139.85, 6,208.45 and 1,366.01

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Solution

The fourth proportional to 4,139.85, 6,208.45 and 1,366.01 is: 2,048.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.85 : 6,208.45 = 1,366.01 : x
  2. Step 2: Convert to fraction form
    4,139.85/6,208.45 = 1,366.01/x
  3. Step 3: Cross multiply
    4,139.85x = 6,208.45 × 1,366.01
  4. Step 4: Simplify right side
    4,139.85x = 8,480,804.78
  5. Step 5: Solve for x
    x = 8,480,804.78/4,139.85
  6. Step 6: Final answer
    x = 2,048.58

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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.