Home / 4,097.20-6,129.60-3,555.40

Finding the Fourth Proportional to 4,097.20, 6,129.60 and 3,555.40

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Solution

The fourth proportional to 4,097.20, 6,129.60 and 3,555.40 is: 5,319.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,097.20 : 6,129.60 = 3,555.40 : x
  2. Step 2: Convert to fraction form
    4,097.20/6,129.60 = 3,555.40/x
  3. Step 3: Cross multiply
    4,097.20x = 6,129.60 × 3,555.40
  4. Step 4: Simplify right side
    4,097.20x = 21,793,179.84
  5. Step 5: Solve for x
    x = 21,793,179.84/4,097.20
  6. Step 6: Final answer
    x = 5,319.04

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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.