Home / 5,343.27-8,015.78-1,645.51

Finding the Fourth Proportional to 5,343.27, 8,015.78 and 1,645.51

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Solution

The fourth proportional to 5,343.27, 8,015.78 and 1,645.51 is: 2,468.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.27 : 8,015.78 = 1,645.51 : x
  2. Step 2: Convert to fraction form
    5,343.27/8,015.78 = 1,645.51/x
  3. Step 3: Cross multiply
    5,343.27x = 8,015.78 × 1,645.51
  4. Step 4: Simplify right side
    5,343.27x = 13,190,046.15
  5. Step 5: Solve for x
    x = 13,190,046.15/5,343.27
  6. Step 6: Final answer
    x = 2,468.53

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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.