Home / 5,390.51-8,077.46-3,631.73

Finding the Fourth Proportional to 5,390.51, 8,077.46 and 3,631.73

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Solution

The fourth proportional to 5,390.51, 8,077.46 and 3,631.73 is: 5,441.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.51 : 8,077.46 = 3,631.73 : x
  2. Step 2: Convert to fraction form
    5,390.51/8,077.46 = 3,631.73/x
  3. Step 3: Cross multiply
    5,390.51x = 8,077.46 × 3,631.73
  4. Step 4: Simplify right side
    5,390.51x = 29,335,095.26
  5. Step 5: Solve for x
    x = 29,335,095.26/5,390.51
  6. Step 6: Final answer
    x = 5,441.99

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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.