Home / 7,742.68-10,684.92-4,205.95

Finding the Fourth Proportional to 7,742.68, 10,684.92 and 4,205.95

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Solution

The fourth proportional to 7,742.68, 10,684.92 and 4,205.95 is: 5,804.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.68 : 10,684.92 = 4,205.95 : x
  2. Step 2: Convert to fraction form
    7,742.68/10,684.92 = 4,205.95/x
  3. Step 3: Cross multiply
    7,742.68x = 10,684.92 × 4,205.95
  4. Step 4: Simplify right side
    7,742.68x = 44,940,239.27
  5. Step 5: Solve for x
    x = 44,940,239.27/7,742.68
  6. Step 6: Final answer
    x = 5,804.22

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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.