Home / 5,581.80-8,370.36-1,684.08

Finding the Fourth Proportional to 5,581.80, 8,370.36 and 1,684.08

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Solution

The fourth proportional to 5,581.80, 8,370.36 and 1,684.08 is: 2,525.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.80 : 8,370.36 = 1,684.08 : x
  2. Step 2: Convert to fraction form
    5,581.80/8,370.36 = 1,684.08/x
  3. Step 3: Cross multiply
    5,581.80x = 8,370.36 × 1,684.08
  4. Step 4: Simplify right side
    5,581.80x = 14,096,355.87
  5. Step 5: Solve for x
    x = 14,096,355.87/5,581.80
  6. Step 6: Final answer
    x = 2,525.41

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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.