Home / 5,727.40-7,903.44-3,369.09

Finding the Fourth Proportional to 5,727.40, 7,903.44 and 3,369.09

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Solution

The fourth proportional to 5,727.40, 7,903.44 and 3,369.09 is: 4,649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.40 : 7,903.44 = 3,369.09 : x
  2. Step 2: Convert to fraction form
    5,727.40/7,903.44 = 3,369.09/x
  3. Step 3: Cross multiply
    5,727.40x = 7,903.44 × 3,369.09
  4. Step 4: Simplify right side
    5,727.40x = 26,627,400.67
  5. Step 5: Solve for x
    x = 26,627,400.67/5,727.40
  6. Step 6: Final answer
    x = 4,649.13

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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.