Home / 5,447.13-7,513.84-3,427.33

Finding the Fourth Proportional to 5,447.13, 7,513.84 and 3,427.33

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Solution

The fourth proportional to 5,447.13, 7,513.84 and 3,427.33 is: 4,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.13 : 7,513.84 = 3,427.33 : x
  2. Step 2: Convert to fraction form
    5,447.13/7,513.84 = 3,427.33/x
  3. Step 3: Cross multiply
    5,447.13x = 7,513.84 × 3,427.33
  4. Step 4: Simplify right side
    5,447.13x = 25,752,409.25
  5. Step 5: Solve for x
    x = 25,752,409.25/5,447.13
  6. Step 6: Final answer
    x = 4,727.70

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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.