Home / 7,134.44-9,845.74-3,904.45

Finding the Fourth Proportional to 7,134.44, 9,845.74 and 3,904.45

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Solution

The fourth proportional to 7,134.44, 9,845.74 and 3,904.45 is: 5,388.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.44 : 9,845.74 = 3,904.45 : x
  2. Step 2: Convert to fraction form
    7,134.44/9,845.74 = 3,904.45/x
  3. Step 3: Cross multiply
    7,134.44x = 9,845.74 × 3,904.45
  4. Step 4: Simplify right side
    7,134.44x = 38,442,199.54
  5. Step 5: Solve for x
    x = 38,442,199.54/7,134.44
  6. Step 6: Final answer
    x = 5,388.26

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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.