Home / 5,396.08-8,091.99-2,621.93

Finding the Fourth Proportional to 5,396.08, 8,091.99 and 2,621.93

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Solution

The fourth proportional to 5,396.08, 8,091.99 and 2,621.93 is: 3,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.08 : 8,091.99 = 2,621.93 : x
  2. Step 2: Convert to fraction form
    5,396.08/8,091.99 = 2,621.93/x
  3. Step 3: Cross multiply
    5,396.08x = 8,091.99 × 2,621.93
  4. Step 4: Simplify right side
    5,396.08x = 21,216,577.77
  5. Step 5: Solve for x
    x = 21,216,577.77/5,396.08
  6. Step 6: Final answer
    x = 3,931.85

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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.