Home / 4,943.28-6,816.12-3,699.12

Finding the Fourth Proportional to 4,943.28, 6,816.12 and 3,699.12

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Solution

The fourth proportional to 4,943.28, 6,816.12 and 3,699.12 is: 5,100.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.28 : 6,816.12 = 3,699.12 : x
  2. Step 2: Convert to fraction form
    4,943.28/6,816.12 = 3,699.12/x
  3. Step 3: Cross multiply
    4,943.28x = 6,816.12 × 3,699.12
  4. Step 4: Simplify right side
    4,943.28x = 25,213,645.81
  5. Step 5: Solve for x
    x = 25,213,645.81/4,943.28
  6. Step 6: Final answer
    x = 5,100.59

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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.