Home / 6,449.09-9,664.51-2,747.59

Finding the Fourth Proportional to 6,449.09, 9,664.51 and 2,747.59

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Solution

The fourth proportional to 6,449.09, 9,664.51 and 2,747.59 is: 4,117.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,449.09 : 9,664.51 = 2,747.59 : x
  2. Step 2: Convert to fraction form
    6,449.09/9,664.51 = 2,747.59/x
  3. Step 3: Cross multiply
    6,449.09x = 9,664.51 × 2,747.59
  4. Step 4: Simplify right side
    6,449.09x = 26,554,104.16
  5. Step 5: Solve for x
    x = 26,554,104.16/6,449.09
  6. Step 6: Final answer
    x = 4,117.50

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1.5x scale

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.