Home / 4,242.87-6,366.78-1,777.47

Finding the Fourth Proportional to 4,242.87, 6,366.78 and 1,777.47

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Solution

The fourth proportional to 4,242.87, 6,366.78 and 1,777.47 is: 2,667.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.87 : 6,366.78 = 1,777.47 : x
  2. Step 2: Convert to fraction form
    4,242.87/6,366.78 = 1,777.47/x
  3. Step 3: Cross multiply
    4,242.87x = 6,366.78 × 1,777.47
  4. Step 4: Simplify right side
    4,242.87x = 11,316,760.45
  5. Step 5: Solve for x
    x = 11,316,760.45/4,242.87
  6. Step 6: Final answer
    x = 2,667.24

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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.