Home / 4,138.01-6,206.37-3,439.70

Finding the Fourth Proportional to 4,138.01, 6,206.37 and 3,439.70

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Solution

The fourth proportional to 4,138.01, 6,206.37 and 3,439.70 is: 5,159.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.01 : 6,206.37 = 3,439.70 : x
  2. Step 2: Convert to fraction form
    4,138.01/6,206.37 = 3,439.70/x
  3. Step 3: Cross multiply
    4,138.01x = 6,206.37 × 3,439.70
  4. Step 4: Simplify right side
    4,138.01x = 21,348,033.69
  5. Step 5: Solve for x
    x = 21,348,033.69/4,138.01
  6. Step 6: Final answer
    x = 5,159.01

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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.