Home / 5,435.22-8,150.90-2,585.36

Finding the Fourth Proportional to 5,435.22, 8,150.90 and 2,585.36

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Solution

The fourth proportional to 5,435.22, 8,150.90 and 2,585.36 is: 3,877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.22 : 8,150.90 = 2,585.36 : x
  2. Step 2: Convert to fraction form
    5,435.22/8,150.90 = 2,585.36/x
  3. Step 3: Cross multiply
    5,435.22x = 8,150.90 × 2,585.36
  4. Step 4: Simplify right side
    5,435.22x = 21,073,045.68
  5. Step 5: Solve for x
    x = 21,073,045.68/5,435.22
  6. Step 6: Final answer
    x = 3,877.13

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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.