Home / 5,443.67-8,165.51-2,159.08

Finding the Fourth Proportional to 5,443.67, 8,165.51 and 2,159.08

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Solution

The fourth proportional to 5,443.67, 8,165.51 and 2,159.08 is: 3,238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.67 : 8,165.51 = 2,159.08 : x
  2. Step 2: Convert to fraction form
    5,443.67/8,165.51 = 2,159.08/x
  3. Step 3: Cross multiply
    5,443.67x = 8,165.51 × 2,159.08
  4. Step 4: Simplify right side
    5,443.67x = 17,629,989.33
  5. Step 5: Solve for x
    x = 17,629,989.33/5,443.67
  6. Step 6: Final answer
    x = 3,238.62

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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.