Home / 4,243.91-6,365.05-1,646.51

Finding the Fourth Proportional to 4,243.91, 6,365.05 and 1,646.51

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Solution

The fourth proportional to 4,243.91, 6,365.05 and 1,646.51 is: 2,469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.91 : 6,365.05 = 1,646.51 : x
  2. Step 2: Convert to fraction form
    4,243.91/6,365.05 = 1,646.51/x
  3. Step 3: Cross multiply
    4,243.91x = 6,365.05 × 1,646.51
  4. Step 4: Simplify right side
    4,243.91x = 10,480,082.53
  5. Step 5: Solve for x
    x = 10,480,082.53/4,243.91
  6. Step 6: Final answer
    x = 2,469.44

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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.