Home / 7,423.40-11,133.48-2,226.44

Finding the Fourth Proportional to 7,423.40, 11,133.48 and 2,226.44

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Solution

The fourth proportional to 7,423.40, 11,133.48 and 2,226.44 is: 3,339.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.40 : 11,133.48 = 2,226.44 : x
  2. Step 2: Convert to fraction form
    7,423.40/11,133.48 = 2,226.44/x
  3. Step 3: Cross multiply
    7,423.40x = 11,133.48 × 2,226.44
  4. Step 4: Simplify right side
    7,423.40x = 24,788,025.21
  5. Step 5: Solve for x
    x = 24,788,025.21/7,423.40
  6. Step 6: Final answer
    x = 3,339.17

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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.