Home / 5,168.08-7,751.80-2,090.32

Finding the Fourth Proportional to 5,168.08, 7,751.80 and 2,090.32

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Solution

The fourth proportional to 5,168.08, 7,751.80 and 2,090.32 is: 3,135.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.08 : 7,751.80 = 2,090.32 : x
  2. Step 2: Convert to fraction form
    5,168.08/7,751.80 = 2,090.32/x
  3. Step 3: Cross multiply
    5,168.08x = 7,751.80 × 2,090.32
  4. Step 4: Simplify right side
    5,168.08x = 16,203,742.58
  5. Step 5: Solve for x
    x = 16,203,742.58/5,168.08
  6. Step 6: Final answer
    x = 3,135.35

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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.