Home / 4,087.30-6,133.02-1,865.89

Finding the Fourth Proportional to 4,087.30, 6,133.02 and 1,865.89

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Solution

The fourth proportional to 4,087.30, 6,133.02 and 1,865.89 is: 2,799.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.30 : 6,133.02 = 1,865.89 : x
  2. Step 2: Convert to fraction form
    4,087.30/6,133.02 = 1,865.89/x
  3. Step 3: Cross multiply
    4,087.30x = 6,133.02 × 1,865.89
  4. Step 4: Simplify right side
    4,087.30x = 11,443,532.35
  5. Step 5: Solve for x
    x = 11,443,532.35/4,087.30
  6. Step 6: Final answer
    x = 2,799.78

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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.