Home / 5,388.06-7,437.15-3,150.39

Finding the Fourth Proportional to 5,388.06, 7,437.15 and 3,150.39

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Solution

The fourth proportional to 5,388.06, 7,437.15 and 3,150.39 is: 4,348.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.06 : 7,437.15 = 3,150.39 : x
  2. Step 2: Convert to fraction form
    5,388.06/7,437.15 = 3,150.39/x
  3. Step 3: Cross multiply
    5,388.06x = 7,437.15 × 3,150.39
  4. Step 4: Simplify right side
    5,388.06x = 23,429,922.99
  5. Step 5: Solve for x
    x = 23,429,922.99/5,388.06
  6. Step 6: Final answer
    x = 4,348.49

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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.