Home / 6,745.19-9,309.05-4,057.28

Finding the Fourth Proportional to 6,745.19, 9,309.05 and 4,057.28

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Solution

The fourth proportional to 6,745.19, 9,309.05 and 4,057.28 is: 5,599.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.19 : 9,309.05 = 4,057.28 : x
  2. Step 2: Convert to fraction form
    6,745.19/9,309.05 = 4,057.28/x
  3. Step 3: Cross multiply
    6,745.19x = 9,309.05 × 4,057.28
  4. Step 4: Simplify right side
    6,745.19x = 37,769,355.55
  5. Step 5: Solve for x
    x = 37,769,355.55/6,745.19
  6. Step 6: Final answer
    x = 5,599.45

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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.