Home / 5,988.78-8,983.15-1,828.80

Finding the Fourth Proportional to 5,988.78, 8,983.15 and 1,828.80

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Solution

The fourth proportional to 5,988.78, 8,983.15 and 1,828.80 is: 2,743.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,988.78 : 8,983.15 = 1,828.80 : x
  2. Step 2: Convert to fraction form
    5,988.78/8,983.15 = 1,828.80/x
  3. Step 3: Cross multiply
    5,988.78x = 8,983.15 × 1,828.80
  4. Step 4: Simplify right side
    5,988.78x = 16,428,384.72
  5. Step 5: Solve for x
    x = 16,428,384.72/5,988.78
  6. Step 6: Final answer
    x = 2,743.19

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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.