Home / 6,636.16-9,954.60-3,345.40

Finding the Fourth Proportional to 6,636.16, 9,954.60 and 3,345.40

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Solution

The fourth proportional to 6,636.16, 9,954.60 and 3,345.40 is: 5,018.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.16 : 9,954.60 = 3,345.40 : x
  2. Step 2: Convert to fraction form
    6,636.16/9,954.60 = 3,345.40/x
  3. Step 3: Cross multiply
    6,636.16x = 9,954.60 × 3,345.40
  4. Step 4: Simplify right side
    6,636.16x = 33,302,118.84
  5. Step 5: Solve for x
    x = 33,302,118.84/6,636.16
  6. Step 6: Final answer
    x = 5,018.28

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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.