Home / 8,349.22-12,499.51-4,391.09

Finding the Fourth Proportional to 8,349.22, 12,499.51 and 4,391.09

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Solution

The fourth proportional to 8,349.22, 12,499.51 and 4,391.09 is: 6,573.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.22 : 12,499.51 = 4,391.09 : x
  2. Step 2: Convert to fraction form
    8,349.22/12,499.51 = 4,391.09/x
  3. Step 3: Cross multiply
    8,349.22x = 12,499.51 × 4,391.09
  4. Step 4: Simplify right side
    8,349.22x = 54,886,451.41
  5. Step 5: Solve for x
    x = 54,886,451.41/8,349.22
  6. Step 6: Final answer
    x = 6,573.84

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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.