Home / 5,433.06-8,145.92-2,145.26

Finding the Fourth Proportional to 5,433.06, 8,145.92 and 2,145.26

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Solution

The fourth proportional to 5,433.06, 8,145.92 and 2,145.26 is: 3,216.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.06 : 8,145.92 = 2,145.26 : x
  2. Step 2: Convert to fraction form
    5,433.06/8,145.92 = 2,145.26/x
  3. Step 3: Cross multiply
    5,433.06x = 8,145.92 × 2,145.26
  4. Step 4: Simplify right side
    5,433.06x = 17,475,116.34
  5. Step 5: Solve for x
    x = 17,475,116.34/5,433.06
  6. Step 6: Final answer
    x = 3,216.44

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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.