Home / 6,811.04-10,214.94-1,880.58

Finding the Fourth Proportional to 6,811.04, 10,214.94 and 1,880.58

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Solution

The fourth proportional to 6,811.04, 10,214.94 and 1,880.58 is: 2,820.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.04 : 10,214.94 = 1,880.58 : x
  2. Step 2: Convert to fraction form
    6,811.04/10,214.94 = 1,880.58/x
  3. Step 3: Cross multiply
    6,811.04x = 10,214.94 × 1,880.58
  4. Step 4: Simplify right side
    6,811.04x = 19,210,011.87
  5. Step 5: Solve for x
    x = 19,210,011.87/6,811.04
  6. Step 6: Final answer
    x = 2,820.42

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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.