Home / 7,277.06-10,917.21-3,988.46

Finding the Fourth Proportional to 7,277.06, 10,917.21 and 3,988.46

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Solution

The fourth proportional to 7,277.06, 10,917.21 and 3,988.46 is: 5,983.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.06 : 10,917.21 = 3,988.46 : x
  2. Step 2: Convert to fraction form
    7,277.06/10,917.21 = 3,988.46/x
  3. Step 3: Cross multiply
    7,277.06x = 10,917.21 × 3,988.46
  4. Step 4: Simplify right side
    7,277.06x = 43,542,882.69
  5. Step 5: Solve for x
    x = 43,542,882.69/7,277.06
  6. Step 6: Final answer
    x = 5,983.58

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1.5x scale

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.