Home / 4,445.60-6,670.44-1,982.03

Finding the Fourth Proportional to 4,445.60, 6,670.44 and 1,982.03

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Solution

The fourth proportional to 4,445.60, 6,670.44 and 1,982.03 is: 2,973.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.60 : 6,670.44 = 1,982.03 : x
  2. Step 2: Convert to fraction form
    4,445.60/6,670.44 = 1,982.03/x
  3. Step 3: Cross multiply
    4,445.60x = 6,670.44 × 1,982.03
  4. Step 4: Simplify right side
    4,445.60x = 13,220,978.84
  5. Step 5: Solve for x
    x = 13,220,978.84/4,445.60
  6. Step 6: Final answer
    x = 2,973.95

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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.