Home / 7,555.71-11,333.21-2,290.49

Finding the Fourth Proportional to 7,555.71, 11,333.21 and 2,290.49

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Solution

The fourth proportional to 7,555.71, 11,333.21 and 2,290.49 is: 3,435.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.71 : 11,333.21 = 2,290.49 : x
  2. Step 2: Convert to fraction form
    7,555.71/11,333.21 = 2,290.49/x
  3. Step 3: Cross multiply
    7,555.71x = 11,333.21 × 2,290.49
  4. Step 4: Simplify right side
    7,555.71x = 25,958,536.05
  5. Step 5: Solve for x
    x = 25,958,536.05/7,555.71
  6. Step 6: Final answer
    x = 3,435.62

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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.