Home / 4,095.21-6,138.44-2,118.85

Finding the Fourth Proportional to 4,095.21, 6,138.44 and 2,118.85

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Solution

The fourth proportional to 4,095.21, 6,138.44 and 2,118.85 is: 3,176.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,095.21 : 6,138.44 = 2,118.85 : x
  2. Step 2: Convert to fraction form
    4,095.21/6,138.44 = 2,118.85/x
  3. Step 3: Cross multiply
    4,095.21x = 6,138.44 × 2,118.85
  4. Step 4: Simplify right side
    4,095.21x = 13,006,407.65
  5. Step 5: Solve for x
    x = 13,006,407.65/4,095.21
  6. Step 6: Final answer
    x = 3,176.01

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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.