Home / 6,816.89-10,219.64-2,133.95

Finding the Fourth Proportional to 6,816.89, 10,219.64 and 2,133.95

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Solution

The fourth proportional to 6,816.89, 10,219.64 and 2,133.95 is: 3,199.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.89 : 10,219.64 = 2,133.95 : x
  2. Step 2: Convert to fraction form
    6,816.89/10,219.64 = 2,133.95/x
  3. Step 3: Cross multiply
    6,816.89x = 10,219.64 × 2,133.95
  4. Step 4: Simplify right side
    6,816.89x = 21,808,139.01
  5. Step 5: Solve for x
    x = 21,808,139.01/6,816.89
  6. Step 6: Final answer
    x = 3,199.13

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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.