Home / 8,499.21-12,748.44-4,339.11

Finding the Fourth Proportional to 8,499.21, 12,748.44 and 4,339.11

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Solution

The fourth proportional to 8,499.21, 12,748.44 and 4,339.11 is: 6,508.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.21 : 12,748.44 = 4,339.11 : x
  2. Step 2: Convert to fraction form
    8,499.21/12,748.44 = 4,339.11/x
  3. Step 3: Cross multiply
    8,499.21x = 12,748.44 × 4,339.11
  4. Step 4: Simplify right side
    8,499.21x = 55,316,883.49
  5. Step 5: Solve for x
    x = 55,316,883.49/8,499.21
  6. Step 6: Final answer
    x = 6,508.47

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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.