Home / 4,987.92-6,881.56-2,996.96

Finding the Fourth Proportional to 4,987.92, 6,881.56 and 2,996.96

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Solution

The fourth proportional to 4,987.92, 6,881.56 and 2,996.96 is: 4,134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.92 : 6,881.56 = 2,996.96 : x
  2. Step 2: Convert to fraction form
    4,987.92/6,881.56 = 2,996.96/x
  3. Step 3: Cross multiply
    4,987.92x = 6,881.56 × 2,996.96
  4. Step 4: Simplify right side
    4,987.92x = 20,623,760.06
  5. Step 5: Solve for x
    x = 20,623,760.06/4,987.92
  6. Step 6: Final answer
    x = 4,134.74

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1.5x scale

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.