Home / 6,211.42-9,319.14-1,828.90

Finding the Fourth Proportional to 6,211.42, 9,319.14 and 1,828.90

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Solution

The fourth proportional to 6,211.42, 9,319.14 and 1,828.90 is: 2,743.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.42 : 9,319.14 = 1,828.90 : x
  2. Step 2: Convert to fraction form
    6,211.42/9,319.14 = 1,828.90/x
  3. Step 3: Cross multiply
    6,211.42x = 9,319.14 × 1,828.90
  4. Step 4: Simplify right side
    6,211.42x = 17,043,775.15
  5. Step 5: Solve for x
    x = 17,043,775.15/6,211.42
  6. Step 6: Final answer
    x = 2,743.94

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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.