Home / 4,071.40-6,107.10-3,423.40

Finding the Fourth Proportional to 4,071.40, 6,107.10 and 3,423.40

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Solution

The fourth proportional to 4,071.40, 6,107.10 and 3,423.40 is: 5,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.40 : 6,107.10 = 3,423.40 : x
  2. Step 2: Convert to fraction form
    4,071.40/6,107.10 = 3,423.40/x
  3. Step 3: Cross multiply
    4,071.40x = 6,107.10 × 3,423.40
  4. Step 4: Simplify right side
    4,071.40x = 20,907,046.14
  5. Step 5: Solve for x
    x = 20,907,046.14/4,071.40
  6. Step 6: Final answer
    x = 5,135.10

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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.