Home / 4,943.78-6,816.81-3,699.62

Finding the Fourth Proportional to 4,943.78, 6,816.81 and 3,699.62

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Solution

The fourth proportional to 4,943.78, 6,816.81 and 3,699.62 is: 5,101.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.78 : 6,816.81 = 3,699.62 : x
  2. Step 2: Convert to fraction form
    4,943.78/6,816.81 = 3,699.62/x
  3. Step 3: Cross multiply
    4,943.78x = 6,816.81 × 3,699.62
  4. Step 4: Simplify right side
    4,943.78x = 25,219,606.61
  5. Step 5: Solve for x
    x = 25,219,606.61/4,943.78
  6. Step 6: Final answer
    x = 5,101.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.