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Finding the Fourth Proportional to 7,407.26, 10,222.02 and 4,095.26

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Solution

The fourth proportional to 7,407.26, 10,222.02 and 4,095.26 is: 5,651.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.26 : 10,222.02 = 4,095.26 : x
  2. Step 2: Convert to fraction form
    7,407.26/10,222.02 = 4,095.26/x
  3. Step 3: Cross multiply
    7,407.26x = 10,222.02 × 4,095.26
  4. Step 4: Simplify right side
    7,407.26x = 41,861,829.63
  5. Step 5: Solve for x
    x = 41,861,829.63/7,407.26
  6. Step 6: Final answer
    x = 5,651.46

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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.