Home / 6,930.86-10,401.30-2,772.02

Finding the Fourth Proportional to 6,930.86, 10,401.30 and 2,772.02

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Solution

The fourth proportional to 6,930.86, 10,401.30 and 2,772.02 is: 4,160.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.86 : 10,401.30 = 2,772.02 : x
  2. Step 2: Convert to fraction form
    6,930.86/10,401.30 = 2,772.02/x
  3. Step 3: Cross multiply
    6,930.86x = 10,401.30 × 2,772.02
  4. Step 4: Simplify right side
    6,930.86x = 28,832,637.63
  5. Step 5: Solve for x
    x = 28,832,637.63/6,930.86
  6. Step 6: Final answer
    x = 4,160.04

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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.