Home / 7,343.60-10,134.17-3,986.41

Finding the Fourth Proportional to 7,343.60, 10,134.17 and 3,986.41

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Solution

The fourth proportional to 7,343.60, 10,134.17 and 3,986.41 is: 5,501.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.60 : 10,134.17 = 3,986.41 : x
  2. Step 2: Convert to fraction form
    7,343.60/10,134.17 = 3,986.41/x
  3. Step 3: Cross multiply
    7,343.60x = 10,134.17 × 3,986.41
  4. Step 4: Simplify right side
    7,343.60x = 40,398,911.36
  5. Step 5: Solve for x
    x = 40,398,911.36/7,343.60
  6. Step 6: Final answer
    x = 5,501.24

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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.