Home / 5,727.85-8,589.08-2,219.50

Finding the Fourth Proportional to 5,727.85, 8,589.08 and 2,219.50

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Solution

The fourth proportional to 5,727.85, 8,589.08 and 2,219.50 is: 3,328.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.85 : 8,589.08 = 2,219.50 : x
  2. Step 2: Convert to fraction form
    5,727.85/8,589.08 = 2,219.50/x
  3. Step 3: Cross multiply
    5,727.85x = 8,589.08 × 2,219.50
  4. Step 4: Simplify right side
    5,727.85x = 19,063,477.78
  5. Step 5: Solve for x
    x = 19,063,477.78/5,727.85
  6. Step 6: Final answer
    x = 3,328.21

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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.