Home / 8,219.22-11,343.70-4,682.76

Finding the Fourth Proportional to 8,219.22, 11,343.70 and 4,682.76

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Solution

The fourth proportional to 8,219.22, 11,343.70 and 4,682.76 is: 6,462.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.22 : 11,343.70 = 4,682.76 : x
  2. Step 2: Convert to fraction form
    8,219.22/11,343.70 = 4,682.76/x
  3. Step 3: Cross multiply
    8,219.22x = 11,343.70 × 4,682.76
  4. Step 4: Simplify right side
    8,219.22x = 53,119,824.61
  5. Step 5: Solve for x
    x = 53,119,824.61/8,219.22
  6. Step 6: Final answer
    x = 6,462.88

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.