Home / 7,976.63-11,006.55-4,619.77

Finding the Fourth Proportional to 7,976.63, 11,006.55 and 4,619.77

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Solution

The fourth proportional to 7,976.63, 11,006.55 and 4,619.77 is: 6,374.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.63 : 11,006.55 = 4,619.77 : x
  2. Step 2: Convert to fraction form
    7,976.63/11,006.55 = 4,619.77/x
  3. Step 3: Cross multiply
    7,976.63x = 11,006.55 × 4,619.77
  4. Step 4: Simplify right side
    7,976.63x = 50,847,701.98
  5. Step 5: Solve for x
    x = 50,847,701.98/7,976.63
  6. Step 6: Final answer
    x = 6,374.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.