Home / 4,862.30-7,289.66-2,086.70

Finding the Fourth Proportional to 4,862.30, 7,289.66 and 2,086.70

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Solution

The fourth proportional to 4,862.30, 7,289.66 and 2,086.70 is: 3,128.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862.30 : 7,289.66 = 2,086.70 : x
  2. Step 2: Convert to fraction form
    4,862.30/7,289.66 = 2,086.70/x
  3. Step 3: Cross multiply
    4,862.30x = 7,289.66 × 2,086.70
  4. Step 4: Simplify right side
    4,862.30x = 15,211,302.29
  5. Step 5: Solve for x
    x = 15,211,302.29/4,862.30
  6. Step 6: Final answer
    x = 3,128.42

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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.