Home / 5,116.74-7,677.59-2,486.49

Finding the Fourth Proportional to 5,116.74, 7,677.59 and 2,486.49

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Solution

The fourth proportional to 5,116.74, 7,677.59 and 2,486.49 is: 3,730.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.74 : 7,677.59 = 2,486.49 : x
  2. Step 2: Convert to fraction form
    5,116.74/7,677.59 = 2,486.49/x
  3. Step 3: Cross multiply
    5,116.74x = 7,677.59 × 2,486.49
  4. Step 4: Simplify right side
    5,116.74x = 19,090,238.33
  5. Step 5: Solve for x
    x = 19,090,238.33/5,116.74
  6. Step 6: Final answer
    x = 3,730.94

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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.