Home / 8,435.07-11,645.37-5,786.37

Finding the Fourth Proportional to 8,435.07, 11,645.37 and 5,786.37

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Solution

The fourth proportional to 8,435.07, 11,645.37 and 5,786.37 is: 7,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.07 : 11,645.37 = 5,786.37 : x
  2. Step 2: Convert to fraction form
    8,435.07/11,645.37 = 5,786.37/x
  3. Step 3: Cross multiply
    8,435.07x = 11,645.37 × 5,786.37
  4. Step 4: Simplify right side
    8,435.07x = 67,384,419.61
  5. Step 5: Solve for x
    x = 67,384,419.61/8,435.07
  6. Step 6: Final answer
    x = 7,988.60

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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.