Home / 7,260.72-10,891.14-2,580.81

Finding the Fourth Proportional to 7,260.72, 10,891.14 and 2,580.81

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Solution

The fourth proportional to 7,260.72, 10,891.14 and 2,580.81 is: 3,871.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.72 : 10,891.14 = 2,580.81 : x
  2. Step 2: Convert to fraction form
    7,260.72/10,891.14 = 2,580.81/x
  3. Step 3: Cross multiply
    7,260.72x = 10,891.14 × 2,580.81
  4. Step 4: Simplify right side
    7,260.72x = 28,107,908.57
  5. Step 5: Solve for x
    x = 28,107,908.57/7,260.72
  6. Step 6: Final answer
    x = 3,871.23

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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.