Home / 7,804.06-11,699.40-3,418.18

Finding the Fourth Proportional to 7,804.06, 11,699.40 and 3,418.18

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Solution

The fourth proportional to 7,804.06, 11,699.40 and 3,418.18 is: 5,124.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,804.06 : 11,699.40 = 3,418.18 : x
  2. Step 2: Convert to fraction form
    7,804.06/11,699.40 = 3,418.18/x
  3. Step 3: Cross multiply
    7,804.06x = 11,699.40 × 3,418.18
  4. Step 4: Simplify right side
    7,804.06x = 39,990,655.09
  5. Step 5: Solve for x
    x = 39,990,655.09/7,804.06
  6. Step 6: Final answer
    x = 5,124.34

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1.5x scale

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.