Home / 5,912.81-8,159.69-3,224.05

Finding the Fourth Proportional to 5,912.81, 8,159.69 and 3,224.05

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Solution

The fourth proportional to 5,912.81, 8,159.69 and 3,224.05 is: 4,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.81 : 8,159.69 = 3,224.05 : x
  2. Step 2: Convert to fraction form
    5,912.81/8,159.69 = 3,224.05/x
  3. Step 3: Cross multiply
    5,912.81x = 8,159.69 × 3,224.05
  4. Step 4: Simplify right side
    5,912.81x = 26,307,248.54
  5. Step 5: Solve for x
    x = 26,307,248.54/5,912.81
  6. Step 6: Final answer
    x = 4,449.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.