Home / 7,619.57-11,424.74-4,983.90

Finding the Fourth Proportional to 7,619.57, 11,424.74 and 4,983.90

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Solution

The fourth proportional to 7,619.57, 11,424.74 and 4,983.90 is: 7,472.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.57 : 11,424.74 = 4,983.90 : x
  2. Step 2: Convert to fraction form
    7,619.57/11,424.74 = 4,983.90/x
  3. Step 3: Cross multiply
    7,619.57x = 11,424.74 × 4,983.90
  4. Step 4: Simplify right side
    7,619.57x = 56,939,736.77
  5. Step 5: Solve for x
    x = 56,939,736.77/7,619.57
  6. Step 6: Final answer
    x = 7,472.83

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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.