Home / 7,060.88-9,745.36-4,078.64

Finding the Fourth Proportional to 7,060.88, 9,745.36 and 4,078.64

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Solution

The fourth proportional to 7,060.88, 9,745.36 and 4,078.64 is: 5,629.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.88 : 9,745.36 = 4,078.64 : x
  2. Step 2: Convert to fraction form
    7,060.88/9,745.36 = 4,078.64/x
  3. Step 3: Cross multiply
    7,060.88x = 9,745.36 × 4,078.64
  4. Step 4: Simplify right side
    7,060.88x = 39,747,815.11
  5. Step 5: Solve for x
    x = 39,747,815.11/7,060.88
  6. Step 6: Final answer
    x = 5,629.30

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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.