Home / 4,019.16-6,019.86-3,139.44

Finding the Fourth Proportional to 4,019.16, 6,019.86 and 3,139.44

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Solution

The fourth proportional to 4,019.16, 6,019.86 and 3,139.44 is: 4,702.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019.16 : 6,019.86 = 3,139.44 : x
  2. Step 2: Convert to fraction form
    4,019.16/6,019.86 = 3,139.44/x
  3. Step 3: Cross multiply
    4,019.16x = 6,019.86 × 3,139.44
  4. Step 4: Simplify right side
    4,019.16x = 18,898,989.28
  5. Step 5: Solve for x
    x = 18,898,989.28/4,019.16
  6. Step 6: Final answer
    x = 4,702.22

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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.