Home / 5,447.99-8,164.79-2,159.28

Finding the Fourth Proportional to 5,447.99, 8,164.79 and 2,159.28

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Solution

The fourth proportional to 5,447.99, 8,164.79 and 2,159.28 is: 3,236.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.99 : 8,164.79 = 2,159.28 : x
  2. Step 2: Convert to fraction form
    5,447.99/8,164.79 = 2,159.28/x
  3. Step 3: Cross multiply
    5,447.99x = 8,164.79 × 2,159.28
  4. Step 4: Simplify right side
    5,447.99x = 17,630,073.15
  5. Step 5: Solve for x
    x = 17,630,073.15/5,447.99
  6. Step 6: Final answer
    x = 3,236.07

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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.