Home / 5,343.27-7,365.83-3,428.90

Finding the Fourth Proportional to 5,343.27, 7,365.83 and 3,428.90

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Solution

The fourth proportional to 5,343.27, 7,365.83 and 3,428.90 is: 4,726.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.27 : 7,365.83 = 3,428.90 : x
  2. Step 2: Convert to fraction form
    5,343.27/7,365.83 = 3,428.90/x
  3. Step 3: Cross multiply
    5,343.27x = 7,365.83 × 3,428.90
  4. Step 4: Simplify right side
    5,343.27x = 25,256,640.51
  5. Step 5: Solve for x
    x = 25,256,640.51/5,343.27
  6. Step 6: Final answer
    x = 4,726.81

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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.