Home / 7,764.12-10,715.22-4,781.97

Finding the Fourth Proportional to 7,764.12, 10,715.22 and 4,781.97

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Solution

The fourth proportional to 7,764.12, 10,715.22 and 4,781.97 is: 6,599.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.12 : 10,715.22 = 4,781.97 : x
  2. Step 2: Convert to fraction form
    7,764.12/10,715.22 = 4,781.97/x
  3. Step 3: Cross multiply
    7,764.12x = 10,715.22 × 4,781.97
  4. Step 4: Simplify right side
    7,764.12x = 51,239,860.58
  5. Step 5: Solve for x
    x = 51,239,860.58/7,764.12
  6. Step 6: Final answer
    x = 6,599.57

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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.