Home / 7,091.93-10,621.69-3,396.76

Finding the Fourth Proportional to 7,091.93, 10,621.69 and 3,396.76

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Solution

The fourth proportional to 7,091.93, 10,621.69 and 3,396.76 is: 5,087.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.93 : 10,621.69 = 3,396.76 : x
  2. Step 2: Convert to fraction form
    7,091.93/10,621.69 = 3,396.76/x
  3. Step 3: Cross multiply
    7,091.93x = 10,621.69 × 3,396.76
  4. Step 4: Simplify right side
    7,091.93x = 36,079,331.72
  5. Step 5: Solve for x
    x = 36,079,331.72/7,091.93
  6. Step 6: Final answer
    x = 5,087.38

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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.