Home / 8,134.58-12,189.10-4,845.87

Finding the Fourth Proportional to 8,134.58, 12,189.10 and 4,845.87

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Solution

The fourth proportional to 8,134.58, 12,189.10 and 4,845.87 is: 7,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.58 : 12,189.10 = 4,845.87 : x
  2. Step 2: Convert to fraction form
    8,134.58/12,189.10 = 4,845.87/x
  3. Step 3: Cross multiply
    8,134.58x = 12,189.10 × 4,845.87
  4. Step 4: Simplify right side
    8,134.58x = 59,066,794.02
  5. Step 5: Solve for x
    x = 59,066,794.02/8,134.58
  6. Step 6: Final answer
    x = 7,261.20

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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.