Home / 5,434.64-8,146.44-3,089.80

Finding the Fourth Proportional to 5,434.64, 8,146.44 and 3,089.80

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Solution

The fourth proportional to 5,434.64, 8,146.44 and 3,089.80 is: 4,631.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.64 : 8,146.44 = 3,089.80 : x
  2. Step 2: Convert to fraction form
    5,434.64/8,146.44 = 3,089.80/x
  3. Step 3: Cross multiply
    5,434.64x = 8,146.44 × 3,089.80
  4. Step 4: Simplify right side
    5,434.64x = 25,170,829.58
  5. Step 5: Solve for x
    x = 25,170,829.58/5,434.64
  6. Step 6: Final answer
    x = 4,631.56

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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.