Home / 8,553.31-12,819.48-4,858.65

Finding the Fourth Proportional to 8,553.31, 12,819.48 and 4,858.65

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Solution

The fourth proportional to 8,553.31, 12,819.48 and 4,858.65 is: 7,282.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553.31 : 12,819.48 = 4,858.65 : x
  2. Step 2: Convert to fraction form
    8,553.31/12,819.48 = 4,858.65/x
  3. Step 3: Cross multiply
    8,553.31x = 12,819.48 × 4,858.65
  4. Step 4: Simplify right side
    8,553.31x = 62,285,278.11
  5. Step 5: Solve for x
    x = 62,285,278.11/8,553.31
  6. Step 6: Final answer
    x = 7,282.01

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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.