Home / 8,448.89-11,660.09-4,864.46

Finding the Fourth Proportional to 8,448.89, 11,660.09 and 4,864.46

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Solution

The fourth proportional to 8,448.89, 11,660.09 and 4,864.46 is: 6,713.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.89 : 11,660.09 = 4,864.46 : x
  2. Step 2: Convert to fraction form
    8,448.89/11,660.09 = 4,864.46/x
  3. Step 3: Cross multiply
    8,448.89x = 11,660.09 × 4,864.46
  4. Step 4: Simplify right side
    8,448.89x = 56,719,958.78
  5. Step 5: Solve for x
    x = 56,719,958.78/8,448.89
  6. Step 6: Final answer
    x = 6,713.31

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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.