Home / 4,520.19-6,778.04-2,880.03

Finding the Fourth Proportional to 4,520.19, 6,778.04 and 2,880.03

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Solution

The fourth proportional to 4,520.19, 6,778.04 and 2,880.03 is: 4,318.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.19 : 6,778.04 = 2,880.03 : x
  2. Step 2: Convert to fraction form
    4,520.19/6,778.04 = 2,880.03/x
  3. Step 3: Cross multiply
    4,520.19x = 6,778.04 × 2,880.03
  4. Step 4: Simplify right side
    4,520.19x = 19,520,944.14
  5. Step 5: Solve for x
    x = 19,520,944.14/4,520.19
  6. Step 6: Final answer
    x = 4,318.61

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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.