Home / 6,438.73-9,659.54-3,477.11

Finding the Fourth Proportional to 6,438.73, 9,659.54 and 3,477.11

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Solution

The fourth proportional to 6,438.73, 9,659.54 and 3,477.11 is: 5,216.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438.73 : 9,659.54 = 3,477.11 : x
  2. Step 2: Convert to fraction form
    6,438.73/9,659.54 = 3,477.11/x
  3. Step 3: Cross multiply
    6,438.73x = 9,659.54 × 3,477.11
  4. Step 4: Simplify right side
    6,438.73x = 33,587,267.67
  5. Step 5: Solve for x
    x = 33,587,267.67/6,438.73
  6. Step 6: Final answer
    x = 5,216.44

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1.5x scale

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.