Home / 4,242.21-6,365.79-1,776.84

Finding the Fourth Proportional to 4,242.21, 6,365.79 and 1,776.84

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Solution

The fourth proportional to 4,242.21, 6,365.79 and 1,776.84 is: 2,666.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.21 : 6,365.79 = 1,776.84 : x
  2. Step 2: Convert to fraction form
    4,242.21/6,365.79 = 1,776.84/x
  3. Step 3: Cross multiply
    4,242.21x = 6,365.79 × 1,776.84
  4. Step 4: Simplify right side
    4,242.21x = 11,310,966.43
  5. Step 5: Solve for x
    x = 11,310,966.43/4,242.21
  6. Step 6: Final answer
    x = 2,666.29

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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.