Home / 4,986.16-6,881.28-2,748.48

Finding the Fourth Proportional to 4,986.16, 6,881.28 and 2,748.48

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Solution

The fourth proportional to 4,986.16, 6,881.28 and 2,748.48 is: 3,793.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.16 : 6,881.28 = 2,748.48 : x
  2. Step 2: Convert to fraction form
    4,986.16/6,881.28 = 2,748.48/x
  3. Step 3: Cross multiply
    4,986.16x = 6,881.28 × 2,748.48
  4. Step 4: Simplify right side
    4,986.16x = 18,913,060.45
  5. Step 5: Solve for x
    x = 18,913,060.45/4,986.16
  6. Step 6: Final answer
    x = 3,793.11

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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.