Home / 7,343.45-10,134.04-3,986.30

Finding the Fourth Proportional to 7,343.45, 10,134.04 and 3,986.30

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Solution

The fourth proportional to 7,343.45, 10,134.04 and 3,986.30 is: 5,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.45 : 10,134.04 = 3,986.30 : x
  2. Step 2: Convert to fraction form
    7,343.45/10,134.04 = 3,986.30/x
  3. Step 3: Cross multiply
    7,343.45x = 10,134.04 × 3,986.30
  4. Step 4: Simplify right side
    7,343.45x = 40,397,272.98
  5. Step 5: Solve for x
    x = 40,397,272.98/7,343.45
  6. Step 6: Final answer
    x = 5,501.13

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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.