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Finding the Fourth Proportional to 5,393.12, 8,090.12 and 1,497.53

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Solution

The fourth proportional to 5,393.12, 8,090.12 and 1,497.53 is: 2,246.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.12 : 8,090.12 = 1,497.53 : x
  2. Step 2: Convert to fraction form
    5,393.12/8,090.12 = 1,497.53/x
  3. Step 3: Cross multiply
    5,393.12x = 8,090.12 × 1,497.53
  4. Step 4: Simplify right side
    5,393.12x = 12,115,221.37
  5. Step 5: Solve for x
    x = 12,115,221.37/5,393.12
  6. Step 6: Final answer
    x = 2,246.42

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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.