Home / 4,139.51-6,207.44-2,191.25

Finding the Fourth Proportional to 4,139.51, 6,207.44 and 2,191.25

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Solution

The fourth proportional to 4,139.51, 6,207.44 and 2,191.25 is: 3,285.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.51 : 6,207.44 = 2,191.25 : x
  2. Step 2: Convert to fraction form
    4,139.51/6,207.44 = 2,191.25/x
  3. Step 3: Cross multiply
    4,139.51x = 6,207.44 × 2,191.25
  4. Step 4: Simplify right side
    4,139.51x = 13,602,057.46
  5. Step 5: Solve for x
    x = 13,602,057.46/4,139.51
  6. Step 6: Final answer
    x = 3,285.91

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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.