Home / 3,911.08-5,868.93-1,447.63

Finding the Fourth Proportional to 3,911.08, 5,868.93 and 1,447.63

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Solution

The fourth proportional to 3,911.08, 5,868.93 and 1,447.63 is: 2,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.08 : 5,868.93 = 1,447.63 : x
  2. Step 2: Convert to fraction form
    3,911.08/5,868.93 = 1,447.63/x
  3. Step 3: Cross multiply
    3,911.08x = 5,868.93 × 1,447.63
  4. Step 4: Simplify right side
    3,911.08x = 8,496,039.14
  5. Step 5: Solve for x
    x = 8,496,039.14/3,911.08
  6. Step 6: Final answer
    x = 2,172.30

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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.