Home / 6,128.22-8,436.24-5,536.92

Finding the Fourth Proportional to 6,128.22, 8,436.24 and 5,536.92

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Solution

The fourth proportional to 6,128.22, 8,436.24 and 5,536.92 is: 7,622.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.22 : 8,436.24 = 5,536.92 : x
  2. Step 2: Convert to fraction form
    6,128.22/8,436.24 = 5,536.92/x
  3. Step 3: Cross multiply
    6,128.22x = 8,436.24 × 5,536.92
  4. Step 4: Simplify right side
    6,128.22x = 46,710,785.98
  5. Step 5: Solve for x
    x = 46,710,785.98/6,128.22
  6. Step 6: Final answer
    x = 7,622.24

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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.