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Finding the Fourth Proportional to 8,874.99, 12,247.53 and 4,896.11

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Solution

The fourth proportional to 8,874.99, 12,247.53 and 4,896.11 is: 6,756.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.99 : 12,247.53 = 4,896.11 : x
  2. Step 2: Convert to fraction form
    8,874.99/12,247.53 = 4,896.11/x
  3. Step 3: Cross multiply
    8,874.99x = 12,247.53 × 4,896.11
  4. Step 4: Simplify right side
    8,874.99x = 59,965,192.87
  5. Step 5: Solve for x
    x = 59,965,192.87/8,874.99
  6. Step 6: Final answer
    x = 6,756.65

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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.