Home / 8,929.17-13,390.63-3,662.69

Finding the Fourth Proportional to 8,929.17, 13,390.63 and 3,662.69

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Solution

The fourth proportional to 8,929.17, 13,390.63 and 3,662.69 is: 5,492.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.17 : 13,390.63 = 3,662.69 : x
  2. Step 2: Convert to fraction form
    8,929.17/13,390.63 = 3,662.69/x
  3. Step 3: Cross multiply
    8,929.17x = 13,390.63 × 3,662.69
  4. Step 4: Simplify right side
    8,929.17x = 49,045,650.48
  5. Step 5: Solve for x
    x = 49,045,650.48/8,929.17
  6. Step 6: Final answer
    x = 5,492.74

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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.