Home / 6,139.14-9,211.43-2,851.80

Finding the Fourth Proportional to 6,139.14, 9,211.43 and 2,851.80

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Solution

The fourth proportional to 6,139.14, 9,211.43 and 2,851.80 is: 4,278.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.14 : 9,211.43 = 2,851.80 : x
  2. Step 2: Convert to fraction form
    6,139.14/9,211.43 = 2,851.80/x
  3. Step 3: Cross multiply
    6,139.14x = 9,211.43 × 2,851.80
  4. Step 4: Simplify right side
    6,139.14x = 26,269,156.07
  5. Step 5: Solve for x
    x = 26,269,156.07/6,139.14
  6. Step 6: Final answer
    x = 4,278.96

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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.