Home / 4,140.36-6,205.68-1,827

Finding the Fourth Proportional to 4,140.36, 6,205.68 and 1,827

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Solution

The fourth proportional to 4,140.36, 6,205.68 and 1,827 is: 2,738.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.36 : 6,205.68 = 1,827 : x
  2. Step 2: Convert to fraction form
    4,140.36/6,205.68 = 1,827/x
  3. Step 3: Cross multiply
    4,140.36x = 6,205.68 × 1,827
  4. Step 4: Simplify right side
    4,140.36x = 11,337,777.36
  5. Step 5: Solve for x
    x = 11,337,777.36/4,140.36
  6. Step 6: Final answer
    x = 2,738.36

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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.