Home / 4,213.58-6,320.46-1,291.82

Finding the Fourth Proportional to 4,213.58, 6,320.46 and 1,291.82

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Solution

The fourth proportional to 4,213.58, 6,320.46 and 1,291.82 is: 1,937.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.58 : 6,320.46 = 1,291.82 : x
  2. Step 2: Convert to fraction form
    4,213.58/6,320.46 = 1,291.82/x
  3. Step 3: Cross multiply
    4,213.58x = 6,320.46 × 1,291.82
  4. Step 4: Simplify right side
    4,213.58x = 8,164,896.64
  5. Step 5: Solve for x
    x = 8,164,896.64/4,213.58
  6. Step 6: Final answer
    x = 1,937.76

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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.