Home / 6,983.32-10,449.30-4,211.72

Finding the Fourth Proportional to 6,983.32, 10,449.30 and 4,211.72

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Solution

The fourth proportional to 6,983.32, 10,449.30 and 4,211.72 is: 6,302.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983.32 : 10,449.30 = 4,211.72 : x
  2. Step 2: Convert to fraction form
    6,983.32/10,449.30 = 4,211.72/x
  3. Step 3: Cross multiply
    6,983.32x = 10,449.30 × 4,211.72
  4. Step 4: Simplify right side
    6,983.32x = 44,009,525.80
  5. Step 5: Solve for x
    x = 44,009,525.80/6,983.32
  6. Step 6: Final answer
    x = 6,302.09

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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.