Home / 4,270.40-6,405.60-3,694.40

Finding the Fourth Proportional to 4,270.40, 6,405.60 and 3,694.40

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Solution

The fourth proportional to 4,270.40, 6,405.60 and 3,694.40 is: 5,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.40 : 6,405.60 = 3,694.40 : x
  2. Step 2: Convert to fraction form
    4,270.40/6,405.60 = 3,694.40/x
  3. Step 3: Cross multiply
    4,270.40x = 6,405.60 × 3,694.40
  4. Step 4: Simplify right side
    4,270.40x = 23,664,848.64
  5. Step 5: Solve for x
    x = 23,664,848.64/4,270.40
  6. Step 6: Final answer
    x = 5,541.60

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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.