Home / 4,506.72-6,759.60-1,220.16

Finding the Fourth Proportional to 4,506.72, 6,759.60 and 1,220.16

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Solution

The fourth proportional to 4,506.72, 6,759.60 and 1,220.16 is: 1,830.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,506.72 : 6,759.60 = 1,220.16 : x
  2. Step 2: Convert to fraction form
    4,506.72/6,759.60 = 1,220.16/x
  3. Step 3: Cross multiply
    4,506.72x = 6,759.60 × 1,220.16
  4. Step 4: Simplify right side
    4,506.72x = 8,247,793.54
  5. Step 5: Solve for x
    x = 8,247,793.54/4,506.72
  6. Step 6: Final answer
    x = 1,830.11

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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.