Home / 7,415.73-11,101.86-3,897.45

Finding the Fourth Proportional to 7,415.73, 11,101.86 and 3,897.45

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Solution

The fourth proportional to 7,415.73, 11,101.86 and 3,897.45 is: 5,834.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.73 : 11,101.86 = 3,897.45 : x
  2. Step 2: Convert to fraction form
    7,415.73/11,101.86 = 3,897.45/x
  3. Step 3: Cross multiply
    7,415.73x = 11,101.86 × 3,897.45
  4. Step 4: Simplify right side
    7,415.73x = 43,268,944.26
  5. Step 5: Solve for x
    x = 43,268,944.26/7,415.73
  6. Step 6: Final answer
    x = 5,834.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.