Home / 3,645.12-5,467.67-1,563.77

Finding the Fourth Proportional to 3,645.12, 5,467.67 and 1,563.77

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Solution

The fourth proportional to 3,645.12, 5,467.67 and 1,563.77 is: 2,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.12 : 5,467.67 = 1,563.77 : x
  2. Step 2: Convert to fraction form
    3,645.12/5,467.67 = 1,563.77/x
  3. Step 3: Cross multiply
    3,645.12x = 5,467.67 × 1,563.77
  4. Step 4: Simplify right side
    3,645.12x = 8,550,170.50
  5. Step 5: Solve for x
    x = 8,550,170.50/3,645.12
  6. Step 6: Final answer
    x = 2,345.65

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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.