Home / 7,926.42-10,928.09-6,819.26

Finding the Fourth Proportional to 7,926.42, 10,928.09 and 6,819.26

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Solution

The fourth proportional to 7,926.42, 10,928.09 and 6,819.26 is: 9,401.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.42 : 10,928.09 = 6,819.26 : x
  2. Step 2: Convert to fraction form
    7,926.42/10,928.09 = 6,819.26/x
  3. Step 3: Cross multiply
    7,926.42x = 10,928.09 × 6,819.26
  4. Step 4: Simplify right side
    7,926.42x = 74,521,449.42
  5. Step 5: Solve for x
    x = 74,521,449.42/7,926.42
  6. Step 6: Final answer
    x = 9,401.65

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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.