Home / 6,412.35-9,619.78-2,714.57

Finding the Fourth Proportional to 6,412.35, 9,619.78 and 2,714.57

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Solution

The fourth proportional to 6,412.35, 9,619.78 and 2,714.57 is: 4,072.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.35 : 9,619.78 = 2,714.57 : x
  2. Step 2: Convert to fraction form
    6,412.35/9,619.78 = 2,714.57/x
  3. Step 3: Cross multiply
    6,412.35x = 9,619.78 × 2,714.57
  4. Step 4: Simplify right side
    6,412.35x = 26,113,566.19
  5. Step 5: Solve for x
    x = 26,113,566.19/6,412.35
  6. Step 6: Final answer
    x = 4,072.39

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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.