Home / 6,603.24-9,905.34-1,986.60

Finding the Fourth Proportional to 6,603.24, 9,905.34 and 1,986.60

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Solution

The fourth proportional to 6,603.24, 9,905.34 and 1,986.60 is: 2,980.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.24 : 9,905.34 = 1,986.60 : x
  2. Step 2: Convert to fraction form
    6,603.24/9,905.34 = 1,986.60/x
  3. Step 3: Cross multiply
    6,603.24x = 9,905.34 × 1,986.60
  4. Step 4: Simplify right side
    6,603.24x = 19,677,948.44
  5. Step 5: Solve for x
    x = 19,677,948.44/6,603.24
  6. Step 6: Final answer
    x = 2,980.04

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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.