Home / 5,551.27-8,328.41-2,431.55

Finding the Fourth Proportional to 5,551.27, 8,328.41 and 2,431.55

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Solution

The fourth proportional to 5,551.27, 8,328.41 and 2,431.55 is: 3,647.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.27 : 8,328.41 = 2,431.55 : x
  2. Step 2: Convert to fraction form
    5,551.27/8,328.41 = 2,431.55/x
  3. Step 3: Cross multiply
    5,551.27x = 8,328.41 × 2,431.55
  4. Step 4: Simplify right side
    5,551.27x = 20,250,933.18
  5. Step 5: Solve for x
    x = 20,250,933.18/5,551.27
  6. Step 6: Final answer
    x = 3,647.99

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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.