Home / 7,919.83-10,929.22-4,934.17

Finding the Fourth Proportional to 7,919.83, 10,929.22 and 4,934.17

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Solution

The fourth proportional to 7,919.83, 10,929.22 and 4,934.17 is: 6,809.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.83 : 10,929.22 = 4,934.17 : x
  2. Step 2: Convert to fraction form
    7,919.83/10,929.22 = 4,934.17/x
  3. Step 3: Cross multiply
    7,919.83x = 10,929.22 × 4,934.17
  4. Step 4: Simplify right side
    7,919.83x = 53,926,629.45
  5. Step 5: Solve for x
    x = 53,926,629.45/7,919.83
  6. Step 6: Final answer
    x = 6,809.06

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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.