Home / 5,645.14-8,467.93-1,485.57

Finding the Fourth Proportional to 5,645.14, 8,467.93 and 1,485.57

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Solution

The fourth proportional to 5,645.14, 8,467.93 and 1,485.57 is: 2,228.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.14 : 8,467.93 = 1,485.57 : x
  2. Step 2: Convert to fraction form
    5,645.14/8,467.93 = 1,485.57/x
  3. Step 3: Cross multiply
    5,645.14x = 8,467.93 × 1,485.57
  4. Step 4: Simplify right side
    5,645.14x = 12,579,667.54
  5. Step 5: Solve for x
    x = 12,579,667.54/5,645.14
  6. Step 6: Final answer
    x = 2,228.41

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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.