Home / 4,989.13-6,885.30-2,751.00

Finding the Fourth Proportional to 4,989.13, 6,885.30 and 2,751.00

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Solution

The fourth proportional to 4,989.13, 6,885.30 and 2,751.00 is: 3,796.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.13 : 6,885.30 = 2,751.00 : x
  2. Step 2: Convert to fraction form
    4,989.13/6,885.30 = 2,751.00/x
  3. Step 3: Cross multiply
    4,989.13x = 6,885.30 × 2,751.00
  4. Step 4: Simplify right side
    4,989.13x = 18,941,432.75
  5. Step 5: Solve for x
    x = 18,941,432.75/4,989.13
  6. Step 6: Final answer
    x = 3,796.54

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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.