Home / 8,356.43-11,531.37-4,578.85

Finding the Fourth Proportional to 8,356.43, 11,531.37 and 4,578.85

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Solution

The fourth proportional to 8,356.43, 11,531.37 and 4,578.85 is: 6,318.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.43 : 11,531.37 = 4,578.85 : x
  2. Step 2: Convert to fraction form
    8,356.43/11,531.37 = 4,578.85/x
  3. Step 3: Cross multiply
    8,356.43x = 11,531.37 × 4,578.85
  4. Step 4: Simplify right side
    8,356.43x = 52,800,384.70
  5. Step 5: Solve for x
    x = 52,800,384.70/8,356.43
  6. Step 6: Final answer
    x = 6,318.53

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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.