Home / 7,917.01-11,868.51-2,986.87

Finding the Fourth Proportional to 7,917.01, 11,868.51 and 2,986.87

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Solution

The fourth proportional to 7,917.01, 11,868.51 and 2,986.87 is: 4,477.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.01 : 11,868.51 = 2,986.87 : x
  2. Step 2: Convert to fraction form
    7,917.01/11,868.51 = 2,986.87/x
  3. Step 3: Cross multiply
    7,917.01x = 11,868.51 × 2,986.87
  4. Step 4: Simplify right side
    7,917.01x = 35,449,696.46
  5. Step 5: Solve for x
    x = 35,449,696.46/7,917.01
  6. Step 6: Final answer
    x = 4,477.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.