Home / 4,886.28-6,743.01-2,897.78

Finding the Fourth Proportional to 4,886.28, 6,743.01 and 2,897.78

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Solution

The fourth proportional to 4,886.28, 6,743.01 and 2,897.78 is: 3,998.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.28 : 6,743.01 = 2,897.78 : x
  2. Step 2: Convert to fraction form
    4,886.28/6,743.01 = 2,897.78/x
  3. Step 3: Cross multiply
    4,886.28x = 6,743.01 × 2,897.78
  4. Step 4: Simplify right side
    4,886.28x = 19,539,759.52
  5. Step 5: Solve for x
    x = 19,539,759.52/4,886.28
  6. Step 6: Final answer
    x = 3,998.90

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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.