Home / 5,388.14-7,434.17-3,150.56

Finding the Fourth Proportional to 5,388.14, 7,434.17 and 3,150.56

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Solution

The fourth proportional to 5,388.14, 7,434.17 and 3,150.56 is: 4,346.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.14 : 7,434.17 = 3,150.56 : x
  2. Step 2: Convert to fraction form
    5,388.14/7,434.17 = 3,150.56/x
  3. Step 3: Cross multiply
    5,388.14x = 7,434.17 × 3,150.56
  4. Step 4: Simplify right side
    5,388.14x = 23,421,806.51
  5. Step 5: Solve for x
    x = 23,421,806.51/5,388.14
  6. Step 6: Final answer
    x = 4,346.92

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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.