Home / 5,194.12-7,165.40-3,775.61

Finding the Fourth Proportional to 5,194.12, 7,165.40 and 3,775.61

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Solution

The fourth proportional to 5,194.12, 7,165.40 and 3,775.61 is: 5,208.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.12 : 7,165.40 = 3,775.61 : x
  2. Step 2: Convert to fraction form
    5,194.12/7,165.40 = 3,775.61/x
  3. Step 3: Cross multiply
    5,194.12x = 7,165.40 × 3,775.61
  4. Step 4: Simplify right side
    5,194.12x = 27,053,701.19
  5. Step 5: Solve for x
    x = 27,053,701.19/5,194.12
  6. Step 6: Final answer
    x = 5,208.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.