Home / 4,189.51-6,281.16-2,107.99

Finding the Fourth Proportional to 4,189.51, 6,281.16 and 2,107.99

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Solution

The fourth proportional to 4,189.51, 6,281.16 and 2,107.99 is: 3,160.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.51 : 6,281.16 = 2,107.99 : x
  2. Step 2: Convert to fraction form
    4,189.51/6,281.16 = 2,107.99/x
  3. Step 3: Cross multiply
    4,189.51x = 6,281.16 × 2,107.99
  4. Step 4: Simplify right side
    4,189.51x = 13,240,622.47
  5. Step 5: Solve for x
    x = 13,240,622.47/4,189.51
  6. Step 6: Final answer
    x = 3,160.42

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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.