Home / 7,364.78-10,163.34-4,220.96

Finding the Fourth Proportional to 7,364.78, 10,163.34 and 4,220.96

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Solution

The fourth proportional to 7,364.78, 10,163.34 and 4,220.96 is: 5,824.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,364.78 : 10,163.34 = 4,220.96 : x
  2. Step 2: Convert to fraction form
    7,364.78/10,163.34 = 4,220.96/x
  3. Step 3: Cross multiply
    7,364.78x = 10,163.34 × 4,220.96
  4. Step 4: Simplify right side
    7,364.78x = 42,899,051.61
  5. Step 5: Solve for x
    x = 42,899,051.61/7,364.78
  6. Step 6: Final answer
    x = 5,824.89

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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.