Home / 4,903.89-6,767.40-2,665.79

Finding the Fourth Proportional to 4,903.89, 6,767.40 and 2,665.79

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Solution

The fourth proportional to 4,903.89, 6,767.40 and 2,665.79 is: 3,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.89 : 6,767.40 = 2,665.79 : x
  2. Step 2: Convert to fraction form
    4,903.89/6,767.40 = 2,665.79/x
  3. Step 3: Cross multiply
    4,903.89x = 6,767.40 × 2,665.79
  4. Step 4: Simplify right side
    4,903.89x = 18,040,433.41
  5. Step 5: Solve for x
    x = 18,040,433.41/4,903.89
  6. Step 6: Final answer
    x = 3,678.80

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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.