Home / 4,420.34-6,630.51-2,078.89

Finding the Fourth Proportional to 4,420.34, 6,630.51 and 2,078.89

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Solution

The fourth proportional to 4,420.34, 6,630.51 and 2,078.89 is: 3,118.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.34 : 6,630.51 = 2,078.89 : x
  2. Step 2: Convert to fraction form
    4,420.34/6,630.51 = 2,078.89/x
  3. Step 3: Cross multiply
    4,420.34x = 6,630.51 × 2,078.89
  4. Step 4: Simplify right side
    4,420.34x = 13,784,057.39
  5. Step 5: Solve for x
    x = 13,784,057.39/4,420.34
  6. Step 6: Final answer
    x = 3,118.33

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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.