Home / 6,212.90-9,325.38-2,928.26

Finding the Fourth Proportional to 6,212.90, 9,325.38 and 2,928.26

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Solution

The fourth proportional to 6,212.90, 9,325.38 and 2,928.26 is: 4,395.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.90 : 9,325.38 = 2,928.26 : x
  2. Step 2: Convert to fraction form
    6,212.90/9,325.38 = 2,928.26/x
  3. Step 3: Cross multiply
    6,212.90x = 9,325.38 × 2,928.26
  4. Step 4: Simplify right side
    6,212.90x = 27,307,137.24
  5. Step 5: Solve for x
    x = 27,307,137.24/6,212.90
  6. Step 6: Final answer
    x = 4,395.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.