Home / 4,409.81-6,617.36-1,777.88

Finding the Fourth Proportional to 4,409.81, 6,617.36 and 1,777.88

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Solution

The fourth proportional to 4,409.81, 6,617.36 and 1,777.88 is: 2,667.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,409.81 : 6,617.36 = 1,777.88 : x
  2. Step 2: Convert to fraction form
    4,409.81/6,617.36 = 1,777.88/x
  3. Step 3: Cross multiply
    4,409.81x = 6,617.36 × 1,777.88
  4. Step 4: Simplify right side
    4,409.81x = 11,764,892.98
  5. Step 5: Solve for x
    x = 11,764,892.98/4,409.81
  6. Step 6: Final answer
    x = 2,667.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.