Home / 8,386.26-12,582.12-4,489.75

Finding the Fourth Proportional to 8,386.26, 12,582.12 and 4,489.75

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Solution

The fourth proportional to 8,386.26, 12,582.12 and 4,489.75 is: 6,736.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.26 : 12,582.12 = 4,489.75 : x
  2. Step 2: Convert to fraction form
    8,386.26/12,582.12 = 4,489.75/x
  3. Step 3: Cross multiply
    8,386.26x = 12,582.12 × 4,489.75
  4. Step 4: Simplify right side
    8,386.26x = 56,490,573.27
  5. Step 5: Solve for x
    x = 56,490,573.27/8,386.26
  6. Step 6: Final answer
    x = 6,736.09

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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.