Home / 4,452.20-6,680.70-1,855.40

Finding the Fourth Proportional to 4,452.20, 6,680.70 and 1,855.40

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Solution

The fourth proportional to 4,452.20, 6,680.70 and 1,855.40 is: 2,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,452.20 : 6,680.70 = 1,855.40 : x
  2. Step 2: Convert to fraction form
    4,452.20/6,680.70 = 1,855.40/x
  3. Step 3: Cross multiply
    4,452.20x = 6,680.70 × 1,855.40
  4. Step 4: Simplify right side
    4,452.20x = 12,395,370.78
  5. Step 5: Solve for x
    x = 12,395,370.78/4,452.20
  6. Step 6: Final answer
    x = 2,784.10

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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.