Home / 8,219.04-11,342.27-4,442.21

Finding the Fourth Proportional to 8,219.04, 11,342.27 and 4,442.21

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Solution

The fourth proportional to 8,219.04, 11,342.27 and 4,442.21 is: 6,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.04 : 11,342.27 = 4,442.21 : x
  2. Step 2: Convert to fraction form
    8,219.04/11,342.27 = 4,442.21/x
  3. Step 3: Cross multiply
    8,219.04x = 11,342.27 × 4,442.21
  4. Step 4: Simplify right side
    8,219.04x = 50,384,745.22
  5. Step 5: Solve for x
    x = 50,384,745.22/8,219.04
  6. Step 6: Final answer
    x = 6,130.25

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.