Home / 9,279.18-13,906.22-4,899.92

Finding the Fourth Proportional to 9,279.18, 13,906.22 and 4,899.92

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Solution

The fourth proportional to 9,279.18, 13,906.22 and 4,899.92 is: 7,343.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.18 : 13,906.22 = 4,899.92 : x
  2. Step 2: Convert to fraction form
    9,279.18/13,906.22 = 4,899.92/x
  3. Step 3: Cross multiply
    9,279.18x = 13,906.22 × 4,899.92
  4. Step 4: Simplify right side
    9,279.18x = 68,139,271.47
  5. Step 5: Solve for x
    x = 68,139,271.47/9,279.18
  6. Step 6: Final answer
    x = 7,343.24

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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.