Home / 8,461.34-12,694.60-3,785.28

Finding the Fourth Proportional to 8,461.34, 12,694.60 and 3,785.28

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Solution

The fourth proportional to 8,461.34, 12,694.60 and 3,785.28 is: 5,679.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461.34 : 12,694.60 = 3,785.28 : x
  2. Step 2: Convert to fraction form
    8,461.34/12,694.60 = 3,785.28/x
  3. Step 3: Cross multiply
    8,461.34x = 12,694.60 × 3,785.28
  4. Step 4: Simplify right side
    8,461.34x = 48,052,606.02
  5. Step 5: Solve for x
    x = 48,052,606.02/8,461.34
  6. Step 6: Final answer
    x = 5,679.08

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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.