Home / 7,260.37-10,890.55-2,643.73

Finding the Fourth Proportional to 7,260.37, 10,890.55 and 2,643.73

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Solution

The fourth proportional to 7,260.37, 10,890.55 and 2,643.73 is: 3,965.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.37 : 10,890.55 = 2,643.73 : x
  2. Step 2: Convert to fraction form
    7,260.37/10,890.55 = 2,643.73/x
  3. Step 3: Cross multiply
    7,260.37x = 10,890.55 × 2,643.73
  4. Step 4: Simplify right side
    7,260.37x = 28,791,673.75
  5. Step 5: Solve for x
    x = 28,791,673.75/7,260.37
  6. Step 6: Final answer
    x = 3,965.59

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Double scale
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Similar ratio
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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.