Home / 4,985.73-6,881.29-2,862.69

Finding the Fourth Proportional to 4,985.73, 6,881.29 and 2,862.69

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Solution

The fourth proportional to 4,985.73, 6,881.29 and 2,862.69 is: 3,951.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.73 : 6,881.29 = 2,862.69 : x
  2. Step 2: Convert to fraction form
    4,985.73/6,881.29 = 2,862.69/x
  3. Step 3: Cross multiply
    4,985.73x = 6,881.29 × 2,862.69
  4. Step 4: Simplify right side
    4,985.73x = 19,699,000.07
  5. Step 5: Solve for x
    x = 19,699,000.07/4,985.73
  6. Step 6: Final answer
    x = 3,951.08

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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.