Home / 6,090.98-8,405.55-3,438.39

Finding the Fourth Proportional to 6,090.98, 8,405.55 and 3,438.39

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Solution

The fourth proportional to 6,090.98, 8,405.55 and 3,438.39 is: 4,744.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,090.98 : 8,405.55 = 3,438.39 : x
  2. Step 2: Convert to fraction form
    6,090.98/8,405.55 = 3,438.39/x
  3. Step 3: Cross multiply
    6,090.98x = 8,405.55 × 3,438.39
  4. Step 4: Simplify right side
    6,090.98x = 28,901,559.06
  5. Step 5: Solve for x
    x = 28,901,559.06/6,090.98
  6. Step 6: Final answer
    x = 4,744.98

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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.