Home / 8,330.31-12,495.44-2,174.31

Finding the Fourth Proportional to 8,330.31, 12,495.44 and 2,174.31

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Solution

The fourth proportional to 8,330.31, 12,495.44 and 2,174.31 is: 3,261.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.31 : 12,495.44 = 2,174.31 : x
  2. Step 2: Convert to fraction form
    8,330.31/12,495.44 = 2,174.31/x
  3. Step 3: Cross multiply
    8,330.31x = 12,495.44 × 2,174.31
  4. Step 4: Simplify right side
    8,330.31x = 27,168,960.15
  5. Step 5: Solve for x
    x = 27,168,960.15/8,330.31
  6. Step 6: Final answer
    x = 3,261.46

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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.