Home / 4,216.26-6,324.30-1,405.30

Finding the Fourth Proportional to 4,216.26, 6,324.30 and 1,405.30

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Solution

The fourth proportional to 4,216.26, 6,324.30 and 1,405.30 is: 2,107.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.26 : 6,324.30 = 1,405.30 : x
  2. Step 2: Convert to fraction form
    4,216.26/6,324.30 = 1,405.30/x
  3. Step 3: Cross multiply
    4,216.26x = 6,324.30 × 1,405.30
  4. Step 4: Simplify right side
    4,216.26x = 8,887,531.29
  5. Step 5: Solve for x
    x = 8,887,531.29/4,216.26
  6. Step 6: Final answer
    x = 2,107.92

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1.5x scale

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.