Home / 4,989.61-6,886.08-2,751.93

Finding the Fourth Proportional to 4,989.61, 6,886.08 and 2,751.93

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Solution

The fourth proportional to 4,989.61, 6,886.08 and 2,751.93 is: 3,797.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.61 : 6,886.08 = 2,751.93 : x
  2. Step 2: Convert to fraction form
    4,989.61/6,886.08 = 2,751.93/x
  3. Step 3: Cross multiply
    4,989.61x = 6,886.08 × 2,751.93
  4. Step 4: Simplify right side
    4,989.61x = 18,949,961.94
  5. Step 5: Solve for x
    x = 18,949,961.94/4,989.61
  6. Step 6: Final answer
    x = 3,797.88

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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.