Home / 4,618.80-6,919.29-2,665.08

Finding the Fourth Proportional to 4,618.80, 6,919.29 and 2,665.08

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Solution

The fourth proportional to 4,618.80, 6,919.29 and 2,665.08 is: 3,992.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.80 : 6,919.29 = 2,665.08 : x
  2. Step 2: Convert to fraction form
    4,618.80/6,919.29 = 2,665.08/x
  3. Step 3: Cross multiply
    4,618.80x = 6,919.29 × 2,665.08
  4. Step 4: Simplify right side
    4,618.80x = 18,440,461.39
  5. Step 5: Solve for x
    x = 18,440,461.39/4,618.80
  6. Step 6: Final answer
    x = 3,992.48

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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.