Home / 6,814.47-10,214.49-3,886.50

Finding the Fourth Proportional to 6,814.47, 10,214.49 and 3,886.50

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Solution

The fourth proportional to 6,814.47, 10,214.49 and 3,886.50 is: 5,825.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,814.47 : 10,214.49 = 3,886.50 : x
  2. Step 2: Convert to fraction form
    6,814.47/10,214.49 = 3,886.50/x
  3. Step 3: Cross multiply
    6,814.47x = 10,214.49 × 3,886.50
  4. Step 4: Simplify right side
    6,814.47x = 39,698,615.39
  5. Step 5: Solve for x
    x = 39,698,615.39/6,814.47
  6. Step 6: Final answer
    x = 5,825.64

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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.