Home / 7,364.78-10,163.40-4,220.97

Finding the Fourth Proportional to 7,364.78, 10,163.40 and 4,220.97

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Solution

The fourth proportional to 7,364.78, 10,163.40 and 4,220.97 is: 5,824.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,364.78 : 10,163.40 = 4,220.97 : x
  2. Step 2: Convert to fraction form
    7,364.78/10,163.40 = 4,220.97/x
  3. Step 3: Cross multiply
    7,364.78x = 10,163.40 × 4,220.97
  4. Step 4: Simplify right side
    7,364.78x = 42,899,406.50
  5. Step 5: Solve for x
    x = 42,899,406.50/7,364.78
  6. Step 6: Final answer
    x = 5,824.94

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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.