Home / 7,125.22-10,688.86-2,193.54

Finding the Fourth Proportional to 7,125.22, 10,688.86 and 2,193.54

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Solution

The fourth proportional to 7,125.22, 10,688.86 and 2,193.54 is: 3,290.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.22 : 10,688.86 = 2,193.54 : x
  2. Step 2: Convert to fraction form
    7,125.22/10,688.86 = 2,193.54/x
  3. Step 3: Cross multiply
    7,125.22x = 10,688.86 × 2,193.54
  4. Step 4: Simplify right side
    7,125.22x = 23,446,441.96
  5. Step 5: Solve for x
    x = 23,446,441.96/7,125.22
  6. Step 6: Final answer
    x = 3,290.63

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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.