Home / 5,804.80-8,705.13-2,106.07

Finding the Fourth Proportional to 5,804.80, 8,705.13 and 2,106.07

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Solution

The fourth proportional to 5,804.80, 8,705.13 and 2,106.07 is: 3,158.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,804.80 : 8,705.13 = 2,106.07 : x
  2. Step 2: Convert to fraction form
    5,804.80/8,705.13 = 2,106.07/x
  3. Step 3: Cross multiply
    5,804.80x = 8,705.13 × 2,106.07
  4. Step 4: Simplify right side
    5,804.80x = 18,333,613.14
  5. Step 5: Solve for x
    x = 18,333,613.14/5,804.80
  6. Step 6: Final answer
    x = 3,158.35

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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.