Home / 4,421.03-6,630.72-1,788.39

Finding the Fourth Proportional to 4,421.03, 6,630.72 and 1,788.39

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Solution

The fourth proportional to 4,421.03, 6,630.72 and 1,788.39 is: 2,682.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.03 : 6,630.72 = 1,788.39 : x
  2. Step 2: Convert to fraction form
    4,421.03/6,630.72 = 1,788.39/x
  3. Step 3: Cross multiply
    4,421.03x = 6,630.72 × 1,788.39
  4. Step 4: Simplify right side
    4,421.03x = 11,858,313.34
  5. Step 5: Solve for x
    x = 11,858,313.34/4,421.03
  6. Step 6: Final answer
    x = 2,682.25

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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.