Home / 8,020.27-12,030.87-3,638.08

Finding the Fourth Proportional to 8,020.27, 12,030.87 and 3,638.08

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Solution

The fourth proportional to 8,020.27, 12,030.87 and 3,638.08 is: 5,457.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.27 : 12,030.87 = 3,638.08 : x
  2. Step 2: Convert to fraction form
    8,020.27/12,030.87 = 3,638.08/x
  3. Step 3: Cross multiply
    8,020.27x = 12,030.87 × 3,638.08
  4. Step 4: Simplify right side
    8,020.27x = 43,769,267.53
  5. Step 5: Solve for x
    x = 43,769,267.53/8,020.27
  6. Step 6: Final answer
    x = 5,457.33

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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.