Home / 8,461.10-12,692.01-2,617.82

Finding the Fourth Proportional to 8,461.10, 12,692.01 and 2,617.82

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Solution

The fourth proportional to 8,461.10, 12,692.01 and 2,617.82 is: 3,926.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461.10 : 12,692.01 = 2,617.82 : x
  2. Step 2: Convert to fraction form
    8,461.10/12,692.01 = 2,617.82/x
  3. Step 3: Cross multiply
    8,461.10x = 12,692.01 × 2,617.82
  4. Step 4: Simplify right side
    8,461.10x = 33,225,397.62
  5. Step 5: Solve for x
    x = 33,225,397.62/8,461.10
  6. Step 6: Final answer
    x = 3,926.84

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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.