Home / 5,396.95-7,447.77-3,039.09

Finding the Fourth Proportional to 5,396.95, 7,447.77 and 3,039.09

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Solution

The fourth proportional to 5,396.95, 7,447.77 and 3,039.09 is: 4,193.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.95 : 7,447.77 = 3,039.09 : x
  2. Step 2: Convert to fraction form
    5,396.95/7,447.77 = 3,039.09/x
  3. Step 3: Cross multiply
    5,396.95x = 7,447.77 × 3,039.09
  4. Step 4: Simplify right side
    5,396.95x = 22,634,431.93
  5. Step 5: Solve for x
    x = 22,634,431.93/5,396.95
  6. Step 6: Final answer
    x = 4,193.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.