Home / 5,765.04-7,959.06-3,879.36

Finding the Fourth Proportional to 5,765.04, 7,959.06 and 3,879.36

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Solution

The fourth proportional to 5,765.04, 7,959.06 and 3,879.36 is: 5,355.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,765.04 : 7,959.06 = 3,879.36 : x
  2. Step 2: Convert to fraction form
    5,765.04/7,959.06 = 3,879.36/x
  3. Step 3: Cross multiply
    5,765.04x = 7,959.06 × 3,879.36
  4. Step 4: Simplify right side
    5,765.04x = 30,876,059.00
  5. Step 5: Solve for x
    x = 30,876,059.00/5,765.04
  6. Step 6: Final answer
    x = 5,355.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.