Home / 7,977.07-11,007.93-4,619.62

Finding the Fourth Proportional to 7,977.07, 11,007.93 and 4,619.62

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Solution

The fourth proportional to 7,977.07, 11,007.93 and 4,619.62 is: 6,374.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.07 : 11,007.93 = 4,619.62 : x
  2. Step 2: Convert to fraction form
    7,977.07/11,007.93 = 4,619.62/x
  3. Step 3: Cross multiply
    7,977.07x = 11,007.93 × 4,619.62
  4. Step 4: Simplify right side
    7,977.07x = 50,852,453.59
  5. Step 5: Solve for x
    x = 50,852,453.59/7,977.07
  6. Step 6: Final answer
    x = 6,374.83

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1.5x scale

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.