Home / 6,128.08-8,458.25-3,477.04

Finding the Fourth Proportional to 6,128.08, 8,458.25 and 3,477.04

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Solution

The fourth proportional to 6,128.08, 8,458.25 and 3,477.04 is: 4,799.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.08 : 8,458.25 = 3,477.04 : x
  2. Step 2: Convert to fraction form
    6,128.08/8,458.25 = 3,477.04/x
  3. Step 3: Cross multiply
    6,128.08x = 8,458.25 × 3,477.04
  4. Step 4: Simplify right side
    6,128.08x = 29,409,673.58
  5. Step 5: Solve for x
    x = 29,409,673.58/6,128.08
  6. Step 6: Final answer
    x = 4,799.17

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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.