Home / 8,553.37-12,819.57-4,858.71

Finding the Fourth Proportional to 8,553.37, 12,819.57 and 4,858.71

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Solution

The fourth proportional to 8,553.37, 12,819.57 and 4,858.71 is: 7,282.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553.37 : 12,819.57 = 4,858.71 : x
  2. Step 2: Convert to fraction form
    8,553.37/12,819.57 = 4,858.71/x
  3. Step 3: Cross multiply
    8,553.37x = 12,819.57 × 4,858.71
  4. Step 4: Simplify right side
    8,553.37x = 62,286,572.95
  5. Step 5: Solve for x
    x = 62,286,572.95/8,553.37
  6. Step 6: Final answer
    x = 7,282.11

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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.