Home / 6,464.10-8,920.44-3,631.50

Finding the Fourth Proportional to 6,464.10, 8,920.44 and 3,631.50

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Solution

The fourth proportional to 6,464.10, 8,920.44 and 3,631.50 is: 5,011.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464.10 : 8,920.44 = 3,631.50 : x
  2. Step 2: Convert to fraction form
    6,464.10/8,920.44 = 3,631.50/x
  3. Step 3: Cross multiply
    6,464.10x = 8,920.44 × 3,631.50
  4. Step 4: Simplify right side
    6,464.10x = 32,394,577.86
  5. Step 5: Solve for x
    x = 32,394,577.86/6,464.10
  6. Step 6: Final answer
    x = 5,011.46

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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.