Home / 7,028.74-9,699.60-3,884.86

Finding the Fourth Proportional to 7,028.74, 9,699.60 and 3,884.86

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Solution

The fourth proportional to 7,028.74, 9,699.60 and 3,884.86 is: 5,361.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.74 : 9,699.60 = 3,884.86 : x
  2. Step 2: Convert to fraction form
    7,028.74/9,699.60 = 3,884.86/x
  3. Step 3: Cross multiply
    7,028.74x = 9,699.60 × 3,884.86
  4. Step 4: Simplify right side
    7,028.74x = 37,681,588.06
  5. Step 5: Solve for x
    x = 37,681,588.06/7,028.74
  6. Step 6: Final answer
    x = 5,361.07

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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.