Home / 6,531.45-9,013.27-3,698.77

Finding the Fourth Proportional to 6,531.45, 9,013.27 and 3,698.77

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Solution

The fourth proportional to 6,531.45, 9,013.27 and 3,698.77 is: 5,104.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.45 : 9,013.27 = 3,698.77 : x
  2. Step 2: Convert to fraction form
    6,531.45/9,013.27 = 3,698.77/x
  3. Step 3: Cross multiply
    6,531.45x = 9,013.27 × 3,698.77
  4. Step 4: Simplify right side
    6,531.45x = 33,338,012.68
  5. Step 5: Solve for x
    x = 33,338,012.68/6,531.45
  6. Step 6: Final answer
    x = 5,104.23

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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.