Home / 7,919.58-10,929.66-4,383.92

Finding the Fourth Proportional to 7,919.58, 10,929.66 and 4,383.92

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Solution

The fourth proportional to 7,919.58, 10,929.66 and 4,383.92 is: 6,050.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.58 : 10,929.66 = 4,383.92 : x
  2. Step 2: Convert to fraction form
    7,919.58/10,929.66 = 4,383.92/x
  3. Step 3: Cross multiply
    7,919.58x = 10,929.66 × 4,383.92
  4. Step 4: Simplify right side
    7,919.58x = 47,914,755.07
  5. Step 5: Solve for x
    x = 47,914,755.07/7,919.58
  6. Step 6: Final answer
    x = 6,050.16

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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.