Home / 4,476.11-6,714.32-1,189.21

Finding the Fourth Proportional to 4,476.11, 6,714.32 and 1,189.21

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Solution

The fourth proportional to 4,476.11, 6,714.32 and 1,189.21 is: 1,783.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,476.11 : 6,714.32 = 1,189.21 : x
  2. Step 2: Convert to fraction form
    4,476.11/6,714.32 = 1,189.21/x
  3. Step 3: Cross multiply
    4,476.11x = 6,714.32 × 1,189.21
  4. Step 4: Simplify right side
    4,476.11x = 7,984,710.81
  5. Step 5: Solve for x
    x = 7,984,710.81/4,476.11
  6. Step 6: Final answer
    x = 1,783.85

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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.