Home / 4,324.66-6,487.90-1,405.01

Finding the Fourth Proportional to 4,324.66, 6,487.90 and 1,405.01

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Solution

The fourth proportional to 4,324.66, 6,487.90 and 1,405.01 is: 2,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,324.66 : 6,487.90 = 1,405.01 : x
  2. Step 2: Convert to fraction form
    4,324.66/6,487.90 = 1,405.01/x
  3. Step 3: Cross multiply
    4,324.66x = 6,487.90 × 1,405.01
  4. Step 4: Simplify right side
    4,324.66x = 9,115,577.09
  5. Step 5: Solve for x
    x = 9,115,577.09/4,324.66
  6. Step 6: Final answer
    x = 2,107.81

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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.