Home / 7,259.42-10,889.20-2,873.79

Finding the Fourth Proportional to 7,259.42, 10,889.20 and 2,873.79

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Solution

The fourth proportional to 7,259.42, 10,889.20 and 2,873.79 is: 4,310.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.42 : 10,889.20 = 2,873.79 : x
  2. Step 2: Convert to fraction form
    7,259.42/10,889.20 = 2,873.79/x
  3. Step 3: Cross multiply
    7,259.42x = 10,889.20 × 2,873.79
  4. Step 4: Simplify right side
    7,259.42x = 31,293,274.07
  5. Step 5: Solve for x
    x = 31,293,274.07/7,259.42
  6. Step 6: Final answer
    x = 4,310.71

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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.