Home / 4,191.40-6,282.51-2,108.08

Finding the Fourth Proportional to 4,191.40, 6,282.51 and 2,108.08

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Solution

The fourth proportional to 4,191.40, 6,282.51 and 2,108.08 is: 3,159.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.40 : 6,282.51 = 2,108.08 : x
  2. Step 2: Convert to fraction form
    4,191.40/6,282.51 = 2,108.08/x
  3. Step 3: Cross multiply
    4,191.40x = 6,282.51 × 2,108.08
  4. Step 4: Simplify right side
    4,191.40x = 13,244,033.68
  5. Step 5: Solve for x
    x = 13,244,033.68/4,191.40
  6. Step 6: Final answer
    x = 3,159.81

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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.