Home / 4,928.42-6,800.92-2,689.84

Finding the Fourth Proportional to 4,928.42, 6,800.92 and 2,689.84

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Solution

The fourth proportional to 4,928.42, 6,800.92 and 2,689.84 is: 3,711.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.42 : 6,800.92 = 2,689.84 : x
  2. Step 2: Convert to fraction form
    4,928.42/6,800.92 = 2,689.84/x
  3. Step 3: Cross multiply
    4,928.42x = 6,800.92 × 2,689.84
  4. Step 4: Simplify right side
    4,928.42x = 18,293,395.99
  5. Step 5: Solve for x
    x = 18,293,395.99/4,928.42
  6. Step 6: Final answer
    x = 3,711.82

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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.