Home / 6,281.96-9,420.21-3,160.02

Finding the Fourth Proportional to 6,281.96, 9,420.21 and 3,160.02

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Solution

The fourth proportional to 6,281.96, 9,420.21 and 3,160.02 is: 4,738.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.96 : 9,420.21 = 3,160.02 : x
  2. Step 2: Convert to fraction form
    6,281.96/9,420.21 = 3,160.02/x
  3. Step 3: Cross multiply
    6,281.96x = 9,420.21 × 3,160.02
  4. Step 4: Simplify right side
    6,281.96x = 29,768,052.00
  5. Step 5: Solve for x
    x = 29,768,052.00/6,281.96
  6. Step 6: Final answer
    x = 4,738.65

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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.