Home / 5,539.64-8,311.51-2,618.17

Finding the Fourth Proportional to 5,539.64, 8,311.51 and 2,618.17

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Solution

The fourth proportional to 5,539.64, 8,311.51 and 2,618.17 is: 3,928.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.64 : 8,311.51 = 2,618.17 : x
  2. Step 2: Convert to fraction form
    5,539.64/8,311.51 = 2,618.17/x
  3. Step 3: Cross multiply
    5,539.64x = 8,311.51 × 2,618.17
  4. Step 4: Simplify right side
    5,539.64x = 21,760,975.38
  5. Step 5: Solve for x
    x = 21,760,975.38/5,539.64
  6. Step 6: Final answer
    x = 3,928.23

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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.