Home / 7,987.19-11,022.30-4,631.94

Finding the Fourth Proportional to 7,987.19, 11,022.30 and 4,631.94

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Solution

The fourth proportional to 7,987.19, 11,022.30 and 4,631.94 is: 6,392.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987.19 : 11,022.30 = 4,631.94 : x
  2. Step 2: Convert to fraction form
    7,987.19/11,022.30 = 4,631.94/x
  3. Step 3: Cross multiply
    7,987.19x = 11,022.30 × 4,631.94
  4. Step 4: Simplify right side
    7,987.19x = 51,054,632.26
  5. Step 5: Solve for x
    x = 51,054,632.26/7,987.19
  6. Step 6: Final answer
    x = 6,392.07

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