Home / 4,100.66-6,147.50-1,878.74

Finding the Fourth Proportional to 4,100.66, 6,147.50 and 1,878.74

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Solution

The fourth proportional to 4,100.66, 6,147.50 and 1,878.74 is: 2,816.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100.66 : 6,147.50 = 1,878.74 : x
  2. Step 2: Convert to fraction form
    4,100.66/6,147.50 = 1,878.74/x
  3. Step 3: Cross multiply
    4,100.66x = 6,147.50 × 1,878.74
  4. Step 4: Simplify right side
    4,100.66x = 11,549,571.65
  5. Step 5: Solve for x
    x = 11,549,571.65/4,100.66
  6. Step 6: Final answer
    x = 2,816.52

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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.