Home / 6,139.73-9,209.60-2,851.03

Finding the Fourth Proportional to 6,139.73, 9,209.60 and 2,851.03

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Solution

The fourth proportional to 6,139.73, 9,209.60 and 2,851.03 is: 4,276.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.73 : 9,209.60 = 2,851.03 : x
  2. Step 2: Convert to fraction form
    6,139.73/9,209.60 = 2,851.03/x
  3. Step 3: Cross multiply
    6,139.73x = 9,209.60 × 2,851.03
  4. Step 4: Simplify right side
    6,139.73x = 26,256,853.84
  5. Step 5: Solve for x
    x = 26,256,853.84/6,139.73
  6. Step 6: Final answer
    x = 4,276.55

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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.