Home / 6,810.79-10,216.44-1,880.80

Finding the Fourth Proportional to 6,810.79, 10,216.44 and 1,880.80

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Solution

The fourth proportional to 6,810.79, 10,216.44 and 1,880.80 is: 2,821.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.79 : 10,216.44 = 1,880.80 : x
  2. Step 2: Convert to fraction form
    6,810.79/10,216.44 = 1,880.80/x
  3. Step 3: Cross multiply
    6,810.79x = 10,216.44 × 1,880.80
  4. Step 4: Simplify right side
    6,810.79x = 19,215,080.35
  5. Step 5: Solve for x
    x = 19,215,080.35/6,810.79
  6. Step 6: Final answer
    x = 2,821.27

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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.