Home / 8,423.07-11,628.54-5,912.88

Finding the Fourth Proportional to 8,423.07, 11,628.54 and 5,912.88

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Solution

The fourth proportional to 8,423.07, 11,628.54 and 5,912.88 is: 8,163.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.07 : 11,628.54 = 5,912.88 : x
  2. Step 2: Convert to fraction form
    8,423.07/11,628.54 = 5,912.88/x
  3. Step 3: Cross multiply
    8,423.07x = 11,628.54 × 5,912.88
  4. Step 4: Simplify right side
    8,423.07x = 68,758,161.60
  5. Step 5: Solve for x
    x = 68,758,161.60/8,423.07
  6. Step 6: Final answer
    x = 8,163.08

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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.