Home / 8,813.30-13,219.97-2,239.47

Finding the Fourth Proportional to 8,813.30, 13,219.97 and 2,239.47

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Solution

The fourth proportional to 8,813.30, 13,219.97 and 2,239.47 is: 3,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.30 : 13,219.97 = 2,239.47 : x
  2. Step 2: Convert to fraction form
    8,813.30/13,219.97 = 2,239.47/x
  3. Step 3: Cross multiply
    8,813.30x = 13,219.97 × 2,239.47
  4. Step 4: Simplify right side
    8,813.30x = 29,605,715.02
  5. Step 5: Solve for x
    x = 29,605,715.02/8,813.30
  6. Step 6: Final answer
    x = 3,359.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.