Home / 7,987.07-11,022.18-4,450.41

Finding the Fourth Proportional to 7,987.07, 11,022.18 and 4,450.41

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Solution

The fourth proportional to 7,987.07, 11,022.18 and 4,450.41 is: 6,141.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987.07 : 11,022.18 = 4,450.41 : x
  2. Step 2: Convert to fraction form
    7,987.07/11,022.18 = 4,450.41/x
  3. Step 3: Cross multiply
    7,987.07x = 11,022.18 × 4,450.41
  4. Step 4: Simplify right side
    7,987.07x = 49,053,203.40
  5. Step 5: Solve for x
    x = 49,053,203.40/7,987.07
  6. Step 6: Final answer
    x = 6,141.57

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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.