Home / 5,050.20-6,969.16-2,811.88

Finding the Fourth Proportional to 5,050.20, 6,969.16 and 2,811.88

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Solution

The fourth proportional to 5,050.20, 6,969.16 and 2,811.88 is: 3,880.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,050.20 : 6,969.16 = 2,811.88 : x
  2. Step 2: Convert to fraction form
    5,050.20/6,969.16 = 2,811.88/x
  3. Step 3: Cross multiply
    5,050.20x = 6,969.16 × 2,811.88
  4. Step 4: Simplify right side
    5,050.20x = 19,596,441.62
  5. Step 5: Solve for x
    x = 19,596,441.62/5,050.20
  6. Step 6: Final answer
    x = 3,880.33

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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.