Home / 4,689.31-6,472.88-2,700.66

Finding the Fourth Proportional to 4,689.31, 6,472.88 and 2,700.66

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Solution

The fourth proportional to 4,689.31, 6,472.88 and 2,700.66 is: 3,727.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.31 : 6,472.88 = 2,700.66 : x
  2. Step 2: Convert to fraction form
    4,689.31/6,472.88 = 2,700.66/x
  3. Step 3: Cross multiply
    4,689.31x = 6,472.88 × 2,700.66
  4. Step 4: Simplify right side
    4,689.31x = 17,481,048.10
  5. Step 5: Solve for x
    x = 17,481,048.10/4,689.31
  6. Step 6: Final answer
    x = 3,727.85

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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.