Home / 8,466.06-12,699.70-2,919.32

Finding the Fourth Proportional to 8,466.06, 12,699.70 and 2,919.32

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Solution

The fourth proportional to 8,466.06, 12,699.70 and 2,919.32 is: 4,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.06 : 12,699.70 = 2,919.32 : x
  2. Step 2: Convert to fraction form
    8,466.06/12,699.70 = 2,919.32/x
  3. Step 3: Cross multiply
    8,466.06x = 12,699.70 × 2,919.32
  4. Step 4: Simplify right side
    8,466.06x = 37,074,537.22
  5. Step 5: Solve for x
    x = 37,074,537.22/8,466.06
  6. Step 6: Final answer
    x = 4,379.20

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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.