Home / 5,272.15-7,908.23-2,150.21

Finding the Fourth Proportional to 5,272.15, 7,908.23 and 2,150.21

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Solution

The fourth proportional to 5,272.15, 7,908.23 and 2,150.21 is: 3,225.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.15 : 7,908.23 = 2,150.21 : x
  2. Step 2: Convert to fraction form
    5,272.15/7,908.23 = 2,150.21/x
  3. Step 3: Cross multiply
    5,272.15x = 7,908.23 × 2,150.21
  4. Step 4: Simplify right side
    5,272.15x = 17,004,355.23
  5. Step 5: Solve for x
    x = 17,004,355.23/5,272.15
  6. Step 6: Final answer
    x = 3,225.32

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Half scale
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Double scale
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Similar ratio
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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.