Home / 5,252.63-7,880.29-1,789.88

Finding the Fourth Proportional to 5,252.63, 7,880.29 and 1,789.88

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Solution

The fourth proportional to 5,252.63, 7,880.29 and 1,789.88 is: 2,685.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.63 : 7,880.29 = 1,789.88 : x
  2. Step 2: Convert to fraction form
    5,252.63/7,880.29 = 1,789.88/x
  3. Step 3: Cross multiply
    5,252.63x = 7,880.29 × 1,789.88
  4. Step 4: Simplify right side
    5,252.63x = 14,104,729.59
  5. Step 5: Solve for x
    x = 14,104,729.59/5,252.63
  6. Step 6: Final answer
    x = 2,685.27

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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.