Home / 7,364.72-10,163.67-4,220.91

Finding the Fourth Proportional to 7,364.72, 10,163.67 and 4,220.91

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Solution

The fourth proportional to 7,364.72, 10,163.67 and 4,220.91 is: 5,825.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,364.72 : 10,163.67 = 4,220.91 : x
  2. Step 2: Convert to fraction form
    7,364.72/10,163.67 = 4,220.91/x
  3. Step 3: Cross multiply
    7,364.72x = 10,163.67 × 4,220.91
  4. Step 4: Simplify right side
    7,364.72x = 42,899,915.24
  5. Step 5: Solve for x
    x = 42,899,915.24/7,364.72
  6. Step 6: Final answer
    x = 5,825.06

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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.