Home / 5,260.85-7,259.87-2,992.60

Finding the Fourth Proportional to 5,260.85, 7,259.87 and 2,992.60

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Solution

The fourth proportional to 5,260.85, 7,259.87 and 2,992.60 is: 4,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.85 : 7,259.87 = 2,992.60 : x
  2. Step 2: Convert to fraction form
    5,260.85/7,259.87 = 2,992.60/x
  3. Step 3: Cross multiply
    5,260.85x = 7,259.87 × 2,992.60
  4. Step 4: Simplify right side
    5,260.85x = 21,725,886.96
  5. Step 5: Solve for x
    x = 21,725,886.96/5,260.85
  6. Step 6: Final answer
    x = 4,129.73

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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.