Home / 6,464.50-8,920.55-3,631.73

Finding the Fourth Proportional to 6,464.50, 8,920.55 and 3,631.73

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Solution

The fourth proportional to 6,464.50, 8,920.55 and 3,631.73 is: 5,011.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464.50 : 8,920.55 = 3,631.73 : x
  2. Step 2: Convert to fraction form
    6,464.50/8,920.55 = 3,631.73/x
  3. Step 3: Cross multiply
    6,464.50x = 8,920.55 × 3,631.73
  4. Step 4: Simplify right side
    6,464.50x = 32,396,966.29
  5. Step 5: Solve for x
    x = 32,396,966.29/6,464.50
  6. Step 6: Final answer
    x = 5,011.52

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1.5x scale

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.