Home / 6,812.09-10,218.11-1,881.69

Finding the Fourth Proportional to 6,812.09, 10,218.11 and 1,881.69

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Solution

The fourth proportional to 6,812.09, 10,218.11 and 1,881.69 is: 2,822.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812.09 : 10,218.11 = 1,881.69 : x
  2. Step 2: Convert to fraction form
    6,812.09/10,218.11 = 1,881.69/x
  3. Step 3: Cross multiply
    6,812.09x = 10,218.11 × 1,881.69
  4. Step 4: Simplify right side
    6,812.09x = 19,227,352.76
  5. Step 5: Solve for x
    x = 19,227,352.76/6,812.09
  6. Step 6: Final answer
    x = 2,822.53

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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.