Home / 6,942.72-10,401.28-4,346.88

Finding the Fourth Proportional to 6,942.72, 10,401.28 and 4,346.88

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Solution

The fourth proportional to 6,942.72, 10,401.28 and 4,346.88 is: 6,512.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.72 : 10,401.28 = 4,346.88 : x
  2. Step 2: Convert to fraction form
    6,942.72/10,401.28 = 4,346.88/x
  3. Step 3: Cross multiply
    6,942.72x = 10,401.28 × 4,346.88
  4. Step 4: Simplify right side
    6,942.72x = 45,213,116.01
  5. Step 5: Solve for x
    x = 45,213,116.01/6,942.72
  6. Step 6: Final answer
    x = 6,512.31

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1.5x scale

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.