Home / 7,917.40-10,926.12-4,934.44

Finding the Fourth Proportional to 7,917.40, 10,926.12 and 4,934.44

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Solution

The fourth proportional to 7,917.40, 10,926.12 and 4,934.44 is: 6,809.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.40 : 10,926.12 = 4,934.44 : x
  2. Step 2: Convert to fraction form
    7,917.40/10,926.12 = 4,934.44/x
  3. Step 3: Cross multiply
    7,917.40x = 10,926.12 × 4,934.44
  4. Step 4: Simplify right side
    7,917.40x = 53,914,283.57
  5. Step 5: Solve for x
    x = 53,914,283.57/7,917.40
  6. Step 6: Final answer
    x = 6,809.59

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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.