Home / 6,669.75-9,204.80-3,875.79

Finding the Fourth Proportional to 6,669.75, 9,204.80 and 3,875.79

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Solution

The fourth proportional to 6,669.75, 9,204.80 and 3,875.79 is: 5,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,669.75 : 9,204.80 = 3,875.79 : x
  2. Step 2: Convert to fraction form
    6,669.75/9,204.80 = 3,875.79/x
  3. Step 3: Cross multiply
    6,669.75x = 9,204.80 × 3,875.79
  4. Step 4: Simplify right side
    6,669.75x = 35,675,852.41
  5. Step 5: Solve for x
    x = 35,675,852.41/6,669.75
  6. Step 6: Final answer
    x = 5,348.90

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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.