Home / 7,731.45-10,669.32-4,194.68

Finding the Fourth Proportional to 7,731.45, 10,669.32 and 4,194.68

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Solution

The fourth proportional to 7,731.45, 10,669.32 and 4,194.68 is: 5,788.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.45 : 10,669.32 = 4,194.68 : x
  2. Step 2: Convert to fraction form
    7,731.45/10,669.32 = 4,194.68/x
  3. Step 3: Cross multiply
    7,731.45x = 10,669.32 × 4,194.68
  4. Step 4: Simplify right side
    7,731.45x = 44,754,329.87
  5. Step 5: Solve for x
    x = 44,754,329.87/7,731.45
  6. Step 6: Final answer
    x = 5,788.61

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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.