Home / 4,689.85-6,472.61-2,700.49

Finding the Fourth Proportional to 4,689.85, 6,472.61 and 2,700.49

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Solution

The fourth proportional to 4,689.85, 6,472.61 and 2,700.49 is: 3,727.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.85 : 6,472.61 = 2,700.49 : x
  2. Step 2: Convert to fraction form
    4,689.85/6,472.61 = 2,700.49/x
  3. Step 3: Cross multiply
    4,689.85x = 6,472.61 × 2,700.49
  4. Step 4: Simplify right side
    4,689.85x = 17,479,218.58
  5. Step 5: Solve for x
    x = 17,479,218.58/4,689.85
  6. Step 6: Final answer
    x = 3,727.03

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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.