Home / 6,090.10-8,403.50-3,400.98

Finding the Fourth Proportional to 6,090.10, 8,403.50 and 3,400.98

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Solution

The fourth proportional to 6,090.10, 8,403.50 and 3,400.98 is: 4,692.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,090.10 : 8,403.50 = 3,400.98 : x
  2. Step 2: Convert to fraction form
    6,090.10/8,403.50 = 3,400.98/x
  3. Step 3: Cross multiply
    6,090.10x = 8,403.50 × 3,400.98
  4. Step 4: Simplify right side
    6,090.10x = 28,580,135.43
  5. Step 5: Solve for x
    x = 28,580,135.43/6,090.10
  6. Step 6: Final answer
    x = 4,692.88

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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.