Home / 4,989.59-6,885.51-2,751.40

Finding the Fourth Proportional to 4,989.59, 6,885.51 and 2,751.40

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Solution

The fourth proportional to 4,989.59, 6,885.51 and 2,751.40 is: 3,796.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.59 : 6,885.51 = 2,751.40 : x
  2. Step 2: Convert to fraction form
    4,989.59/6,885.51 = 2,751.40/x
  3. Step 3: Cross multiply
    4,989.59x = 6,885.51 × 2,751.40
  4. Step 4: Simplify right side
    4,989.59x = 18,944,757.79
  5. Step 5: Solve for x
    x = 18,944,757.79/4,989.59
  6. Step 6: Final answer
    x = 3,796.86

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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.