Home / 4,209.77-6,309.26-2,015.21

Finding the Fourth Proportional to 4,209.77, 6,309.26 and 2,015.21

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Solution

The fourth proportional to 4,209.77, 6,309.26 and 2,015.21 is: 3,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.77 : 6,309.26 = 2,015.21 : x
  2. Step 2: Convert to fraction form
    4,209.77/6,309.26 = 2,015.21/x
  3. Step 3: Cross multiply
    4,209.77x = 6,309.26 × 2,015.21
  4. Step 4: Simplify right side
    4,209.77x = 12,714,473.77
  5. Step 5: Solve for x
    x = 12,714,473.77/4,209.77
  6. Step 6: Final answer
    x = 3,020.23

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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.