Home / 4,421.18-6,629.34-2,078.46

Finding the Fourth Proportional to 4,421.18, 6,629.34 and 2,078.46

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Solution

The fourth proportional to 4,421.18, 6,629.34 and 2,078.46 is: 3,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.18 : 6,629.34 = 2,078.46 : x
  2. Step 2: Convert to fraction form
    4,421.18/6,629.34 = 2,078.46/x
  3. Step 3: Cross multiply
    4,421.18x = 6,629.34 × 2,078.46
  4. Step 4: Simplify right side
    4,421.18x = 13,778,818.02
  5. Step 5: Solve for x
    x = 13,778,818.02/4,421.18
  6. Step 6: Final answer
    x = 3,116.55

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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.