Home / 6,489.63-9,738.15-2,541.21

Finding the Fourth Proportional to 6,489.63, 9,738.15 and 2,541.21

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Solution

The fourth proportional to 6,489.63, 9,738.15 and 2,541.21 is: 3,813.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,489.63 : 9,738.15 = 2,541.21 : x
  2. Step 2: Convert to fraction form
    6,489.63/9,738.15 = 2,541.21/x
  3. Step 3: Cross multiply
    6,489.63x = 9,738.15 × 2,541.21
  4. Step 4: Simplify right side
    6,489.63x = 24,746,684.16
  5. Step 5: Solve for x
    x = 24,746,684.16/6,489.63
  6. Step 6: Final answer
    x = 3,813.27

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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.