Home / 6,929.32-10,398.30-2,768.68

Finding the Fourth Proportional to 6,929.32, 10,398.30 and 2,768.68

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Solution

The fourth proportional to 6,929.32, 10,398.30 and 2,768.68 is: 4,154.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.32 : 10,398.30 = 2,768.68 : x
  2. Step 2: Convert to fraction form
    6,929.32/10,398.30 = 2,768.68/x
  3. Step 3: Cross multiply
    6,929.32x = 10,398.30 × 2,768.68
  4. Step 4: Simplify right side
    6,929.32x = 28,789,565.24
  5. Step 5: Solve for x
    x = 28,789,565.24/6,929.32
  6. Step 6: Final answer
    x = 4,154.75

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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.