Home / 5,124.20-7,686.30-2,048.36

Finding the Fourth Proportional to 5,124.20, 7,686.30 and 2,048.36

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Solution

The fourth proportional to 5,124.20, 7,686.30 and 2,048.36 is: 3,072.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.20 : 7,686.30 = 2,048.36 : x
  2. Step 2: Convert to fraction form
    5,124.20/7,686.30 = 2,048.36/x
  3. Step 3: Cross multiply
    5,124.20x = 7,686.30 × 2,048.36
  4. Step 4: Simplify right side
    5,124.20x = 15,744,309.47
  5. Step 5: Solve for x
    x = 15,744,309.47/5,124.20
  6. Step 6: Final answer
    x = 3,072.54

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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.