Home / 6,449.43-9,670.91-2,989.11

Finding the Fourth Proportional to 6,449.43, 9,670.91 and 2,989.11

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Solution

The fourth proportional to 6,449.43, 9,670.91 and 2,989.11 is: 4,482.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,449.43 : 9,670.91 = 2,989.11 : x
  2. Step 2: Convert to fraction form
    6,449.43/9,670.91 = 2,989.11/x
  3. Step 3: Cross multiply
    6,449.43x = 9,670.91 × 2,989.11
  4. Step 4: Simplify right side
    6,449.43x = 28,907,398.84
  5. Step 5: Solve for x
    x = 28,907,398.84/6,449.43
  6. Step 6: Final answer
    x = 4,482.16

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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.