Home / 7,348.30-11,018.97-2,847.47

Finding the Fourth Proportional to 7,348.30, 11,018.97 and 2,847.47

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Solution

The fourth proportional to 7,348.30, 11,018.97 and 2,847.47 is: 4,269.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.30 : 11,018.97 = 2,847.47 : x
  2. Step 2: Convert to fraction form
    7,348.30/11,018.97 = 2,847.47/x
  3. Step 3: Cross multiply
    7,348.30x = 11,018.97 × 2,847.47
  4. Step 4: Simplify right side
    7,348.30x = 31,376,138.53
  5. Step 5: Solve for x
    x = 31,376,138.53/7,348.30
  6. Step 6: Final answer
    x = 4,269.85

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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.