Home / 7,193.19-10,783.31-2,809.57

Finding the Fourth Proportional to 7,193.19, 10,783.31 and 2,809.57

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Solution

The fourth proportional to 7,193.19, 10,783.31 and 2,809.57 is: 4,211.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193.19 : 10,783.31 = 2,809.57 : x
  2. Step 2: Convert to fraction form
    7,193.19/10,783.31 = 2,809.57/x
  3. Step 3: Cross multiply
    7,193.19x = 10,783.31 × 2,809.57
  4. Step 4: Simplify right side
    7,193.19x = 30,296,464.28
  5. Step 5: Solve for x
    x = 30,296,464.28/7,193.19
  6. Step 6: Final answer
    x = 4,211.83

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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.