Home / 5,628.44-8,443.65-2,165.42

Finding the Fourth Proportional to 5,628.44, 8,443.65 and 2,165.42

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Solution

The fourth proportional to 5,628.44, 8,443.65 and 2,165.42 is: 3,248.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.44 : 8,443.65 = 2,165.42 : x
  2. Step 2: Convert to fraction form
    5,628.44/8,443.65 = 2,165.42/x
  3. Step 3: Cross multiply
    5,628.44x = 8,443.65 × 2,165.42
  4. Step 4: Simplify right side
    5,628.44x = 18,284,048.58
  5. Step 5: Solve for x
    x = 18,284,048.58/5,628.44
  6. Step 6: Final answer
    x = 3,248.51

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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.