Home / 7,276.90-10,912.61-2,345.22

Finding the Fourth Proportional to 7,276.90, 10,912.61 and 2,345.22

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Solution

The fourth proportional to 7,276.90, 10,912.61 and 2,345.22 is: 3,516.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.90 : 10,912.61 = 2,345.22 : x
  2. Step 2: Convert to fraction form
    7,276.90/10,912.61 = 2,345.22/x
  3. Step 3: Cross multiply
    7,276.90x = 10,912.61 × 2,345.22
  4. Step 4: Simplify right side
    7,276.90x = 25,592,471.22
  5. Step 5: Solve for x
    x = 25,592,471.22/7,276.90
  6. Step 6: Final answer
    x = 3,516.95

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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.