Home / 5,352.31-7,389.09-3,228.22

Finding the Fourth Proportional to 5,352.31, 7,389.09 and 3,228.22

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Solution

The fourth proportional to 5,352.31, 7,389.09 and 3,228.22 is: 4,456.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.31 : 7,389.09 = 3,228.22 : x
  2. Step 2: Convert to fraction form
    5,352.31/7,389.09 = 3,228.22/x
  3. Step 3: Cross multiply
    5,352.31x = 7,389.09 × 3,228.22
  4. Step 4: Simplify right side
    5,352.31x = 23,853,617.36
  5. Step 5: Solve for x
    x = 23,853,617.36/5,352.31
  6. Step 6: Final answer
    x = 4,456.69

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Half scale
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Double scale
Find fourth proportional to 5,353.31, 7,390.47 and 3,229.22
Similar ratio
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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.