Home / 6,745.09-9,307.98-3,912.52

Finding the Fourth Proportional to 6,745.09, 9,307.98 and 3,912.52

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Solution

The fourth proportional to 6,745.09, 9,307.98 and 3,912.52 is: 5,399.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.09 : 9,307.98 = 3,912.52 : x
  2. Step 2: Convert to fraction form
    6,745.09/9,307.98 = 3,912.52/x
  3. Step 3: Cross multiply
    6,745.09x = 9,307.98 × 3,912.52
  4. Step 4: Simplify right side
    6,745.09x = 36,417,657.91
  5. Step 5: Solve for x
    x = 36,417,657.91/6,745.09
  6. Step 6: Final answer
    x = 5,399.14

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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.