Home / 4,665.74-6,438.79-2,777.42

Finding the Fourth Proportional to 4,665.74, 6,438.79 and 2,777.42

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Solution

The fourth proportional to 4,665.74, 6,438.79 and 2,777.42 is: 3,832.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665.74 : 6,438.79 = 2,777.42 : x
  2. Step 2: Convert to fraction form
    4,665.74/6,438.79 = 2,777.42/x
  3. Step 3: Cross multiply
    4,665.74x = 6,438.79 × 2,777.42
  4. Step 4: Simplify right side
    4,665.74x = 17,883,243.69
  5. Step 5: Solve for x
    x = 17,883,243.69/4,665.74
  6. Step 6: Final answer
    x = 3,832.89

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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.