Home / 5,628.96-8,441.52-2,165.28

Finding the Fourth Proportional to 5,628.96, 8,441.52 and 2,165.28

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Solution

The fourth proportional to 5,628.96, 8,441.52 and 2,165.28 is: 3,247.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.96 : 8,441.52 = 2,165.28 : x
  2. Step 2: Convert to fraction form
    5,628.96/8,441.52 = 2,165.28/x
  3. Step 3: Cross multiply
    5,628.96x = 8,441.52 × 2,165.28
  4. Step 4: Simplify right side
    5,628.96x = 18,278,254.43
  5. Step 5: Solve for x
    x = 18,278,254.43/5,628.96
  6. Step 6: Final answer
    x = 3,247.18

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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.