Home / 6,449.18-9,670.53-2,988.86

Finding the Fourth Proportional to 6,449.18, 9,670.53 and 2,988.86

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Solution

The fourth proportional to 6,449.18, 9,670.53 and 2,988.86 is: 4,481.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,449.18 : 9,670.53 = 2,988.86 : x
  2. Step 2: Convert to fraction form
    6,449.18/9,670.53 = 2,988.86/x
  3. Step 3: Cross multiply
    6,449.18x = 9,670.53 × 2,988.86
  4. Step 4: Simplify right side
    6,449.18x = 28,903,860.30
  5. Step 5: Solve for x
    x = 28,903,860.30/6,449.18
  6. Step 6: Final answer
    x = 4,481.79

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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.