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Finding the Fourth Proportional to 5,603.90, 8,405.91 and 1,708.34

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Solution

The fourth proportional to 5,603.90, 8,405.91 and 1,708.34 is: 2,562.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.90 : 8,405.91 = 1,708.34 : x
  2. Step 2: Convert to fraction form
    5,603.90/8,405.91 = 1,708.34/x
  3. Step 3: Cross multiply
    5,603.90x = 8,405.91 × 1,708.34
  4. Step 4: Simplify right side
    5,603.90x = 14,360,110.26
  5. Step 5: Solve for x
    x = 14,360,110.26/5,603.90
  6. Step 6: Final answer
    x = 2,562.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.