Home / 4,137.10-6,205.65-3,820.30

Finding the Fourth Proportional to 4,137.10, 6,205.65 and 3,820.30

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Solution

The fourth proportional to 4,137.10, 6,205.65 and 3,820.30 is: 5,730.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.10 : 6,205.65 = 3,820.30 : x
  2. Step 2: Convert to fraction form
    4,137.10/6,205.65 = 3,820.30/x
  3. Step 3: Cross multiply
    4,137.10x = 6,205.65 × 3,820.30
  4. Step 4: Simplify right side
    4,137.10x = 23,707,444.70
  5. Step 5: Solve for x
    x = 23,707,444.70/4,137.10
  6. Step 6: Final answer
    x = 5,730.45

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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.