Home / 4,275.82-6,414.55-1,643.13

Finding the Fourth Proportional to 4,275.82, 6,414.55 and 1,643.13

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Solution

The fourth proportional to 4,275.82, 6,414.55 and 1,643.13 is: 2,465.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275.82 : 6,414.55 = 1,643.13 : x
  2. Step 2: Convert to fraction form
    4,275.82/6,414.55 = 1,643.13/x
  3. Step 3: Cross multiply
    4,275.82x = 6,414.55 × 1,643.13
  4. Step 4: Simplify right side
    4,275.82x = 10,539,939.54
  5. Step 5: Solve for x
    x = 10,539,939.54/4,275.82
  6. Step 6: Final answer
    x = 2,465.01

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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.