Home / 7,247.82-10,000.62-6,878.73

Finding the Fourth Proportional to 7,247.82, 10,000.62 and 6,878.73

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Solution

The fourth proportional to 7,247.82, 10,000.62 and 6,878.73 is: 9,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.82 : 10,000.62 = 6,878.73 : x
  2. Step 2: Convert to fraction form
    7,247.82/10,000.62 = 6,878.73/x
  3. Step 3: Cross multiply
    7,247.82x = 10,000.62 × 6,878.73
  4. Step 4: Simplify right side
    7,247.82x = 68,791,564.81
  5. Step 5: Solve for x
    x = 68,791,564.81/7,247.82
  6. Step 6: Final answer
    x = 9,491.35

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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.