Home / 7,363.16-10,161.78-4,220.36

Finding the Fourth Proportional to 7,363.16, 10,161.78 and 4,220.36

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Solution

The fourth proportional to 7,363.16, 10,161.78 and 4,220.36 is: 5,824.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,363.16 : 10,161.78 = 4,220.36 : x
  2. Step 2: Convert to fraction form
    7,363.16/10,161.78 = 4,220.36/x
  3. Step 3: Cross multiply
    7,363.16x = 10,161.78 × 4,220.36
  4. Step 4: Simplify right side
    7,363.16x = 42,886,369.84
  5. Step 5: Solve for x
    x = 42,886,369.84/7,363.16
  6. Step 6: Final answer
    x = 5,824.45

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