Home / 8,627.07-12,907.80-5,331.99

Finding the Fourth Proportional to 8,627.07, 12,907.80 and 5,331.99

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Solution

The fourth proportional to 8,627.07, 12,907.80 and 5,331.99 is: 7,977.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,627.07 : 12,907.80 = 5,331.99 : x
  2. Step 2: Convert to fraction form
    8,627.07/12,907.80 = 5,331.99/x
  3. Step 3: Cross multiply
    8,627.07x = 12,907.80 × 5,331.99
  4. Step 4: Simplify right side
    8,627.07x = 68,824,260.52
  5. Step 5: Solve for x
    x = 68,824,260.52/8,627.07
  6. Step 6: Final answer
    x = 7,977.71

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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.