Home / 5,287.12-7,296.44-3,190.84

Finding the Fourth Proportional to 5,287.12, 7,296.44 and 3,190.84

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Solution

The fourth proportional to 5,287.12, 7,296.44 and 3,190.84 is: 4,403.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.12 : 7,296.44 = 3,190.84 : x
  2. Step 2: Convert to fraction form
    5,287.12/7,296.44 = 3,190.84/x
  3. Step 3: Cross multiply
    5,287.12x = 7,296.44 × 3,190.84
  4. Step 4: Simplify right side
    5,287.12x = 23,281,772.61
  5. Step 5: Solve for x
    x = 23,281,772.61/5,287.12
  6. Step 6: Final answer
    x = 4,403.49

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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.