Home / 5,352.30-7,389.09-3,228.21

Finding the Fourth Proportional to 5,352.30, 7,389.09 and 3,228.21

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Solution

The fourth proportional to 5,352.30, 7,389.09 and 3,228.21 is: 4,456.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.30 : 7,389.09 = 3,228.21 : x
  2. Step 2: Convert to fraction form
    5,352.30/7,389.09 = 3,228.21/x
  3. Step 3: Cross multiply
    5,352.30x = 7,389.09 × 3,228.21
  4. Step 4: Simplify right side
    5,352.30x = 23,853,534.23
  5. Step 5: Solve for x
    x = 23,853,534.23/5,352.30
  6. Step 6: Final answer
    x = 4,456.69

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Half scale
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Double scale
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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.