Home / 5,400.38-8,090.19-3,314.32

Finding the Fourth Proportional to 5,400.38, 8,090.19 and 3,314.32

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Solution

The fourth proportional to 5,400.38, 8,090.19 and 3,314.32 is: 4,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.38 : 8,090.19 = 3,314.32 : x
  2. Step 2: Convert to fraction form
    5,400.38/8,090.19 = 3,314.32/x
  3. Step 3: Cross multiply
    5,400.38x = 8,090.19 × 3,314.32
  4. Step 4: Simplify right side
    5,400.38x = 26,813,458.30
  5. Step 5: Solve for x
    x = 26,813,458.30/5,400.38
  6. Step 6: Final answer
    x = 4,965.10

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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.