Home / 6,664.37-9,988.16-3,378.29

Finding the Fourth Proportional to 6,664.37, 9,988.16 and 3,378.29

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Solution

The fourth proportional to 6,664.37, 9,988.16 and 3,378.29 is: 5,063.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.37 : 9,988.16 = 3,378.29 : x
  2. Step 2: Convert to fraction form
    6,664.37/9,988.16 = 3,378.29/x
  3. Step 3: Cross multiply
    6,664.37x = 9,988.16 × 3,378.29
  4. Step 4: Simplify right side
    6,664.37x = 33,742,884.15
  5. Step 5: Solve for x
    x = 33,742,884.15/6,664.37
  6. Step 6: Final answer
    x = 5,063.18

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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.