Home / 6,813.95-10,219.63-2,133.25

Finding the Fourth Proportional to 6,813.95, 10,219.63 and 2,133.25

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Solution

The fourth proportional to 6,813.95, 10,219.63 and 2,133.25 is: 3,199.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813.95 : 10,219.63 = 2,133.25 : x
  2. Step 2: Convert to fraction form
    6,813.95/10,219.63 = 2,133.25/x
  3. Step 3: Cross multiply
    6,813.95x = 10,219.63 × 2,133.25
  4. Step 4: Simplify right side
    6,813.95x = 21,801,025.70
  5. Step 5: Solve for x
    x = 21,801,025.70/6,813.95
  6. Step 6: Final answer
    x = 3,199.47

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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.