Home / 5,048.61-6,967.46-2,811.05

Finding the Fourth Proportional to 5,048.61, 6,967.46 and 2,811.05

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Solution

The fourth proportional to 5,048.61, 6,967.46 and 2,811.05 is: 3,879.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,048.61 : 6,967.46 = 2,811.05 : x
  2. Step 2: Convert to fraction form
    5,048.61/6,967.46 = 2,811.05/x
  3. Step 3: Cross multiply
    5,048.61x = 6,967.46 × 2,811.05
  4. Step 4: Simplify right side
    5,048.61x = 19,585,902.88
  5. Step 5: Solve for x
    x = 19,585,902.88/5,048.61
  6. Step 6: Final answer
    x = 3,879.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.