Home / 4,327.17-6,491.56-1,405.09

Finding the Fourth Proportional to 4,327.17, 6,491.56 and 1,405.09

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Solution

The fourth proportional to 4,327.17, 6,491.56 and 1,405.09 is: 2,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.17 : 6,491.56 = 1,405.09 : x
  2. Step 2: Convert to fraction form
    4,327.17/6,491.56 = 1,405.09/x
  3. Step 3: Cross multiply
    4,327.17x = 6,491.56 × 1,405.09
  4. Step 4: Simplify right side
    4,327.17x = 9,121,226.04
  5. Step 5: Solve for x
    x = 9,121,226.04/4,327.17
  6. Step 6: Final answer
    x = 2,107.90

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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.