Home / 6,813.05-10,218.56-1,881.63

Finding the Fourth Proportional to 6,813.05, 10,218.56 and 1,881.63

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Solution

The fourth proportional to 6,813.05, 10,218.56 and 1,881.63 is: 2,822.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813.05 : 10,218.56 = 1,881.63 : x
  2. Step 2: Convert to fraction form
    6,813.05/10,218.56 = 1,881.63/x
  3. Step 3: Cross multiply
    6,813.05x = 10,218.56 × 1,881.63
  4. Step 4: Simplify right side
    6,813.05x = 19,227,539.64
  5. Step 5: Solve for x
    x = 19,227,539.64/6,813.05
  6. Step 6: Final answer
    x = 2,822.17

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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.