Home / 5,154.96-7,732.98-1,645.23

Finding the Fourth Proportional to 5,154.96, 7,732.98 and 1,645.23

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Solution

The fourth proportional to 5,154.96, 7,732.98 and 1,645.23 is: 2,468.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.96 : 7,732.98 = 1,645.23 : x
  2. Step 2: Convert to fraction form
    5,154.96/7,732.98 = 1,645.23/x
  3. Step 3: Cross multiply
    5,154.96x = 7,732.98 × 1,645.23
  4. Step 4: Simplify right side
    5,154.96x = 12,722,530.69
  5. Step 5: Solve for x
    x = 12,722,530.69/5,154.96
  6. Step 6: Final answer
    x = 2,468.02

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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.