Home / 7,274.23-10,909.80-3,324.36

Finding the Fourth Proportional to 7,274.23, 10,909.80 and 3,324.36

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Solution

The fourth proportional to 7,274.23, 10,909.80 and 3,324.36 is: 4,985.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.23 : 10,909.80 = 3,324.36 : x
  2. Step 2: Convert to fraction form
    7,274.23/10,909.80 = 3,324.36/x
  3. Step 3: Cross multiply
    7,274.23x = 10,909.80 × 3,324.36
  4. Step 4: Simplify right side
    7,274.23x = 36,268,086.11
  5. Step 5: Solve for x
    x = 36,268,086.11/7,274.23
  6. Step 6: Final answer
    x = 4,985.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.