Home / 4,618.38-6,919.37-2,643.93

Finding the Fourth Proportional to 4,618.38, 6,919.37 and 2,643.93

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Solution

The fourth proportional to 4,618.38, 6,919.37 and 2,643.93 is: 3,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.38 : 6,919.37 = 2,643.93 : x
  2. Step 2: Convert to fraction form
    4,618.38/6,919.37 = 2,643.93/x
  3. Step 3: Cross multiply
    4,618.38x = 6,919.37 × 2,643.93
  4. Step 4: Simplify right side
    4,618.38x = 18,294,316.70
  5. Step 5: Solve for x
    x = 18,294,316.70/4,618.38
  6. Step 6: Final answer
    x = 3,961.20

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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.