Home / 7,989.89-11,026.01-4,634.65

Finding the Fourth Proportional to 7,989.89, 11,026.01 and 4,634.65

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Solution

The fourth proportional to 7,989.89, 11,026.01 and 4,634.65 is: 6,395.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.89 : 11,026.01 = 4,634.65 : x
  2. Step 2: Convert to fraction form
    7,989.89/11,026.01 = 4,634.65/x
  3. Step 3: Cross multiply
    7,989.89x = 11,026.01 × 4,634.65
  4. Step 4: Simplify right side
    7,989.89x = 51,101,642.12
  5. Step 5: Solve for x
    x = 51,101,642.12/7,989.89
  6. Step 6: Final answer
    x = 6,395.79

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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.