Home / 8,394.05-12,581.85-3,461.00

Finding the Fourth Proportional to 8,394.05, 12,581.85 and 3,461.00

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Solution

The fourth proportional to 8,394.05, 12,581.85 and 3,461.00 is: 5,187.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.05 : 12,581.85 = 3,461.00 : x
  2. Step 2: Convert to fraction form
    8,394.05/12,581.85 = 3,461.00/x
  3. Step 3: Cross multiply
    8,394.05x = 12,581.85 × 3,461.00
  4. Step 4: Simplify right side
    8,394.05x = 43,545,713.45
  5. Step 5: Solve for x
    x = 43,545,713.45/8,394.05
  6. Step 6: Final answer
    x = 5,187.69

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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.