Home / 4,073.90-6,106.80-1,878.80

Finding the Fourth Proportional to 4,073.90, 6,106.80 and 1,878.80

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Solution

The fourth proportional to 4,073.90, 6,106.80 and 1,878.80 is: 2,816.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073.90 : 6,106.80 = 1,878.80 : x
  2. Step 2: Convert to fraction form
    4,073.90/6,106.80 = 1,878.80/x
  3. Step 3: Cross multiply
    4,073.90x = 6,106.80 × 1,878.80
  4. Step 4: Simplify right side
    4,073.90x = 11,473,455.84
  5. Step 5: Solve for x
    x = 11,473,455.84/4,073.90
  6. Step 6: Final answer
    x = 2,816.33

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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.