Home / 4,478.26-6,717.70-1,191.28

Finding the Fourth Proportional to 4,478.26, 6,717.70 and 1,191.28

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Solution

The fourth proportional to 4,478.26, 6,717.70 and 1,191.28 is: 1,787.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.26 : 6,717.70 = 1,191.28 : x
  2. Step 2: Convert to fraction form
    4,478.26/6,717.70 = 1,191.28/x
  3. Step 3: Cross multiply
    4,478.26x = 6,717.70 × 1,191.28
  4. Step 4: Simplify right side
    4,478.26x = 8,002,661.66
  5. Step 5: Solve for x
    x = 8,002,661.66/4,478.26
  6. Step 6: Final answer
    x = 1,787.00

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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.