Home / 8,449.92-11,661.30-4,673.07

Finding the Fourth Proportional to 8,449.92, 11,661.30 and 4,673.07

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Solution

The fourth proportional to 8,449.92, 11,661.30 and 4,673.07 is: 6,449.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.92 : 11,661.30 = 4,673.07 : x
  2. Step 2: Convert to fraction form
    8,449.92/11,661.30 = 4,673.07/x
  3. Step 3: Cross multiply
    8,449.92x = 11,661.30 × 4,673.07
  4. Step 4: Simplify right side
    8,449.92x = 54,494,071.19
  5. Step 5: Solve for x
    x = 54,494,071.19/8,449.92
  6. Step 6: Final answer
    x = 6,449.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.