Home / 4,927.20-6,799.50-2,689.11

Finding the Fourth Proportional to 4,927.20, 6,799.50 and 2,689.11

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Solution

The fourth proportional to 4,927.20, 6,799.50 and 2,689.11 is: 3,710.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.20 : 6,799.50 = 2,689.11 : x
  2. Step 2: Convert to fraction form
    4,927.20/6,799.50 = 2,689.11/x
  3. Step 3: Cross multiply
    4,927.20x = 6,799.50 × 2,689.11
  4. Step 4: Simplify right side
    4,927.20x = 18,284,603.45
  5. Step 5: Solve for x
    x = 18,284,603.45/4,927.20
  6. Step 6: Final answer
    x = 3,710.95

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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.