Home / 4,927.85-6,800.46-2,689.79

Finding the Fourth Proportional to 4,927.85, 6,800.46 and 2,689.79

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Solution

The fourth proportional to 4,927.85, 6,800.46 and 2,689.79 is: 3,711.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.85 : 6,800.46 = 2,689.79 : x
  2. Step 2: Convert to fraction form
    4,927.85/6,800.46 = 2,689.79/x
  3. Step 3: Cross multiply
    4,927.85x = 6,800.46 × 2,689.79
  4. Step 4: Simplify right side
    4,927.85x = 18,291,775.30
  5. Step 5: Solve for x
    x = 18,291,775.30/4,927.85
  6. Step 6: Final answer
    x = 3,711.92

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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.