Home / 5,603.82-8,405.75-1,708.21

Finding the Fourth Proportional to 5,603.82, 8,405.75 and 1,708.21

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Solution

The fourth proportional to 5,603.82, 8,405.75 and 1,708.21 is: 2,562.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.82 : 8,405.75 = 1,708.21 : x
  2. Step 2: Convert to fraction form
    5,603.82/8,405.75 = 1,708.21/x
  3. Step 3: Cross multiply
    5,603.82x = 8,405.75 × 1,708.21
  4. Step 4: Simplify right side
    5,603.82x = 14,358,786.21
  5. Step 5: Solve for x
    x = 14,358,786.21/5,603.82
  6. Step 6: Final answer
    x = 2,562.32

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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.