Home / 6,811.13-10,216.42-1,880.64

Finding the Fourth Proportional to 6,811.13, 10,216.42 and 1,880.64

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Solution

The fourth proportional to 6,811.13, 10,216.42 and 1,880.64 is: 2,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.13 : 10,216.42 = 1,880.64 : x
  2. Step 2: Convert to fraction form
    6,811.13/10,216.42 = 1,880.64/x
  3. Step 3: Cross multiply
    6,811.13x = 10,216.42 × 1,880.64
  4. Step 4: Simplify right side
    6,811.13x = 19,213,403.41
  5. Step 5: Solve for x
    x = 19,213,403.41/6,811.13
  6. Step 6: Final answer
    x = 2,820.88

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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.