Home / 6,678.12-10,014.04-3,905.64

Finding the Fourth Proportional to 6,678.12, 10,014.04 and 3,905.64

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Solution

The fourth proportional to 6,678.12, 10,014.04 and 3,905.64 is: 5,856.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.12 : 10,014.04 = 3,905.64 : x
  2. Step 2: Convert to fraction form
    6,678.12/10,014.04 = 3,905.64/x
  3. Step 3: Cross multiply
    6,678.12x = 10,014.04 × 3,905.64
  4. Step 4: Simplify right side
    6,678.12x = 39,111,240.07
  5. Step 5: Solve for x
    x = 39,111,240.07/6,678.12
  6. Step 6: Final answer
    x = 5,856.62

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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.