Home / 4,209.36-6,312.09-2,015.68

Finding the Fourth Proportional to 4,209.36, 6,312.09 and 2,015.68

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Solution

The fourth proportional to 4,209.36, 6,312.09 and 2,015.68 is: 3,022.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.36 : 6,312.09 = 2,015.68 : x
  2. Step 2: Convert to fraction form
    4,209.36/6,312.09 = 2,015.68/x
  3. Step 3: Cross multiply
    4,209.36x = 6,312.09 × 2,015.68
  4. Step 4: Simplify right side
    4,209.36x = 12,723,153.57
  5. Step 5: Solve for x
    x = 12,723,153.57/4,209.36
  6. Step 6: Final answer
    x = 3,022.59

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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.