Home / 7,919.70-10,929.45-4,383.24

Finding the Fourth Proportional to 7,919.70, 10,929.45 and 4,383.24

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Solution

The fourth proportional to 7,919.70, 10,929.45 and 4,383.24 is: 6,049.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.70 : 10,929.45 = 4,383.24 : x
  2. Step 2: Convert to fraction form
    7,919.70/10,929.45 = 4,383.24/x
  3. Step 3: Cross multiply
    7,919.70x = 10,929.45 × 4,383.24
  4. Step 4: Simplify right side
    7,919.70x = 47,906,402.42
  5. Step 5: Solve for x
    x = 47,906,402.42/7,919.70
  6. Step 6: Final answer
    x = 6,049.02

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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.