Home / 7,040.52-9,716.18-3,896.64

Finding the Fourth Proportional to 7,040.52, 9,716.18 and 3,896.64

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Solution

The fourth proportional to 7,040.52, 9,716.18 and 3,896.64 is: 5,377.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.52 : 9,716.18 = 3,896.64 : x
  2. Step 2: Convert to fraction form
    7,040.52/9,716.18 = 3,896.64/x
  3. Step 3: Cross multiply
    7,040.52x = 9,716.18 × 3,896.64
  4. Step 4: Simplify right side
    7,040.52x = 37,860,455.64
  5. Step 5: Solve for x
    x = 37,860,455.64/7,040.52
  6. Step 6: Final answer
    x = 5,377.51

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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.