Home / 5,083.16-7,628.18-2,619.68

Finding the Fourth Proportional to 5,083.16, 7,628.18 and 2,619.68

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Solution

The fourth proportional to 5,083.16, 7,628.18 and 2,619.68 is: 3,931.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.16 : 7,628.18 = 2,619.68 : x
  2. Step 2: Convert to fraction form
    5,083.16/7,628.18 = 2,619.68/x
  3. Step 3: Cross multiply
    5,083.16x = 7,628.18 × 2,619.68
  4. Step 4: Simplify right side
    5,083.16x = 19,983,339.34
  5. Step 5: Solve for x
    x = 19,983,339.34/5,083.16
  6. Step 6: Final answer
    x = 3,931.29

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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.