Home / 6,218.60-8,581.47-3,386.03

Finding the Fourth Proportional to 6,218.60, 8,581.47 and 3,386.03

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Solution

The fourth proportional to 6,218.60, 8,581.47 and 3,386.03 is: 4,672.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.60 : 8,581.47 = 3,386.03 : x
  2. Step 2: Convert to fraction form
    6,218.60/8,581.47 = 3,386.03/x
  3. Step 3: Cross multiply
    6,218.60x = 8,581.47 × 3,386.03
  4. Step 4: Simplify right side
    6,218.60x = 29,057,071.96
  5. Step 5: Solve for x
    x = 29,057,071.96/6,218.60
  6. Step 6: Final answer
    x = 4,672.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.