Home / 6,929.28-10,385.28-3,467.52

Finding the Fourth Proportional to 6,929.28, 10,385.28 and 3,467.52

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Solution

The fourth proportional to 6,929.28, 10,385.28 and 3,467.52 is: 5,196.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.28 : 10,385.28 = 3,467.52 : x
  2. Step 2: Convert to fraction form
    6,929.28/10,385.28 = 3,467.52/x
  3. Step 3: Cross multiply
    6,929.28x = 10,385.28 × 3,467.52
  4. Step 4: Simplify right side
    6,929.28x = 36,011,166.11
  5. Step 5: Solve for x
    x = 36,011,166.11/6,929.28
  6. Step 6: Final answer
    x = 5,196.96

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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.