Home / 7,343.50-10,133.94-3,986.32

Finding the Fourth Proportional to 7,343.50, 10,133.94 and 3,986.32

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Solution

The fourth proportional to 7,343.50, 10,133.94 and 3,986.32 is: 5,501.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.50 : 10,133.94 = 3,986.32 : x
  2. Step 2: Convert to fraction form
    7,343.50/10,133.94 = 3,986.32/x
  3. Step 3: Cross multiply
    7,343.50x = 10,133.94 × 3,986.32
  4. Step 4: Simplify right side
    7,343.50x = 40,397,127.70
  5. Step 5: Solve for x
    x = 40,397,127.70/7,343.50
  6. Step 6: Final answer
    x = 5,501.07

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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.