Home / 7,917.32-10,925.88-4,380.32

Finding the Fourth Proportional to 7,917.32, 10,925.88 and 4,380.32

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Solution

The fourth proportional to 7,917.32, 10,925.88 and 4,380.32 is: 6,044.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.32 : 10,925.88 = 4,380.32 : x
  2. Step 2: Convert to fraction form
    7,917.32/10,925.88 = 4,380.32/x
  3. Step 3: Cross multiply
    7,917.32x = 10,925.88 × 4,380.32
  4. Step 4: Simplify right side
    7,917.32x = 47,858,850.68
  5. Step 5: Solve for x
    x = 47,858,850.68/7,917.32
  6. Step 6: Final answer
    x = 6,044.83

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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.