Home / 8,746.16-13,105.80-5,229.20

Finding the Fourth Proportional to 8,746.16, 13,105.80 and 5,229.20

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Solution

The fourth proportional to 8,746.16, 13,105.80 and 5,229.20 is: 7,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.16 : 13,105.80 = 5,229.20 : x
  2. Step 2: Convert to fraction form
    8,746.16/13,105.80 = 5,229.20/x
  3. Step 3: Cross multiply
    8,746.16x = 13,105.80 × 5,229.20
  4. Step 4: Simplify right side
    8,746.16x = 68,532,849.36
  5. Step 5: Solve for x
    x = 68,532,849.36/8,746.16
  6. Step 6: Final answer
    x = 7,835.76

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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.