Home / 5,520.03-8,288.15-3,448.86

Finding the Fourth Proportional to 5,520.03, 8,288.15 and 3,448.86

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Solution

The fourth proportional to 5,520.03, 8,288.15 and 3,448.86 is: 5,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.03 : 8,288.15 = 3,448.86 : x
  2. Step 2: Convert to fraction form
    5,520.03/8,288.15 = 3,448.86/x
  3. Step 3: Cross multiply
    5,520.03x = 8,288.15 × 3,448.86
  4. Step 4: Simplify right side
    5,520.03x = 28,584,669.01
  5. Step 5: Solve for x
    x = 28,584,669.01/5,520.03
  6. Step 6: Final answer
    x = 5,178.35

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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.