Home / 4,126.40-6,182.40-3,478.40

Finding the Fourth Proportional to 4,126.40, 6,182.40 and 3,478.40

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Solution

The fourth proportional to 4,126.40, 6,182.40 and 3,478.40 is: 5,211.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.40 : 6,182.40 = 3,478.40 : x
  2. Step 2: Convert to fraction form
    4,126.40/6,182.40 = 3,478.40/x
  3. Step 3: Cross multiply
    4,126.40x = 6,182.40 × 3,478.40
  4. Step 4: Simplify right side
    4,126.40x = 21,504,860.16
  5. Step 5: Solve for x
    x = 21,504,860.16/4,126.40
  6. Step 6: Final answer
    x = 5,211.53

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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.