Home / 6,571.29-9,069.56-3,918.87

Finding the Fourth Proportional to 6,571.29, 9,069.56 and 3,918.87

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Solution

The fourth proportional to 6,571.29, 9,069.56 and 3,918.87 is: 5,408.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,571.29 : 9,069.56 = 3,918.87 : x
  2. Step 2: Convert to fraction form
    6,571.29/9,069.56 = 3,918.87/x
  3. Step 3: Cross multiply
    6,571.29x = 9,069.56 × 3,918.87
  4. Step 4: Simplify right side
    6,571.29x = 35,542,421.70
  5. Step 5: Solve for x
    x = 35,542,421.70/6,571.29
  6. Step 6: Final answer
    x = 5,408.74

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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.