Home / 8,464.91-12,699.40-3,531.81

Finding the Fourth Proportional to 8,464.91, 12,699.40 and 3,531.81

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Solution

The fourth proportional to 8,464.91, 12,699.40 and 3,531.81 is: 5,298.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.91 : 12,699.40 = 3,531.81 : x
  2. Step 2: Convert to fraction form
    8,464.91/12,699.40 = 3,531.81/x
  3. Step 3: Cross multiply
    8,464.91x = 12,699.40 × 3,531.81
  4. Step 4: Simplify right side
    8,464.91x = 44,851,859.08
  5. Step 5: Solve for x
    x = 44,851,859.08/8,464.91
  6. Step 6: Final answer
    x = 5,298.56

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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.