Home / 4,665.33-6,999.44-1,378.49

Finding the Fourth Proportional to 4,665.33, 6,999.44 and 1,378.49

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Solution

The fourth proportional to 4,665.33, 6,999.44 and 1,378.49 is: 2,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665.33 : 6,999.44 = 1,378.49 : x
  2. Step 2: Convert to fraction form
    4,665.33/6,999.44 = 1,378.49/x
  3. Step 3: Cross multiply
    4,665.33x = 6,999.44 × 1,378.49
  4. Step 4: Simplify right side
    4,665.33x = 9,648,616.16
  5. Step 5: Solve for x
    x = 9,648,616.16/4,665.33
  6. Step 6: Final answer
    x = 2,068.15

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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.