Home / 4,139.86-6,206.19-3,170.32

Finding the Fourth Proportional to 4,139.86, 6,206.19 and 3,170.32

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Solution

The fourth proportional to 4,139.86, 6,206.19 and 3,170.32 is: 4,752.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.86 : 6,206.19 = 3,170.32 : x
  2. Step 2: Convert to fraction form
    4,139.86/6,206.19 = 3,170.32/x
  3. Step 3: Cross multiply
    4,139.86x = 6,206.19 × 3,170.32
  4. Step 4: Simplify right side
    4,139.86x = 19,675,608.28
  5. Step 5: Solve for x
    x = 19,675,608.28/4,139.86
  6. Step 6: Final answer
    x = 4,752.72

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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.