Home / 4,986.67-6,881.20-2,890.93

Finding the Fourth Proportional to 4,986.67, 6,881.20 and 2,890.93

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Solution

The fourth proportional to 4,986.67, 6,881.20 and 2,890.93 is: 3,989.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.67 : 6,881.20 = 2,890.93 : x
  2. Step 2: Convert to fraction form
    4,986.67/6,881.20 = 2,890.93/x
  3. Step 3: Cross multiply
    4,986.67x = 6,881.20 × 2,890.93
  4. Step 4: Simplify right side
    4,986.67x = 19,893,067.52
  5. Step 5: Solve for x
    x = 19,893,067.52/4,986.67
  6. Step 6: Final answer
    x = 3,989.25

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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.