Home / 5,400.83-8,090.85-3,314.74

Finding the Fourth Proportional to 5,400.83, 8,090.85 and 3,314.74

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Solution

The fourth proportional to 5,400.83, 8,090.85 and 3,314.74 is: 4,965.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.83 : 8,090.85 = 3,314.74 : x
  2. Step 2: Convert to fraction form
    5,400.83/8,090.85 = 3,314.74/x
  3. Step 3: Cross multiply
    5,400.83x = 8,090.85 × 3,314.74
  4. Step 4: Simplify right side
    5,400.83x = 26,819,064.13
  5. Step 5: Solve for x
    x = 26,819,064.13/5,400.83
  6. Step 6: Final answer
    x = 4,965.73

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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.