Home / 6,261.72-9,394.02-1,879.62

Finding the Fourth Proportional to 6,261.72, 9,394.02 and 1,879.62

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Solution

The fourth proportional to 6,261.72, 9,394.02 and 1,879.62 is: 2,819.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.72 : 9,394.02 = 1,879.62 : x
  2. Step 2: Convert to fraction form
    6,261.72/9,394.02 = 1,879.62/x
  3. Step 3: Cross multiply
    6,261.72x = 9,394.02 × 1,879.62
  4. Step 4: Simplify right side
    6,261.72x = 17,657,187.87
  5. Step 5: Solve for x
    x = 17,657,187.87/6,261.72
  6. Step 6: Final answer
    x = 2,819.86

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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.