Home / 6,090.12-9,135.18-3,487.50

Finding the Fourth Proportional to 6,090.12, 9,135.18 and 3,487.50

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Solution

The fourth proportional to 6,090.12, 9,135.18 and 3,487.50 is: 5,231.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,090.12 : 9,135.18 = 3,487.50 : x
  2. Step 2: Convert to fraction form
    6,090.12/9,135.18 = 3,487.50/x
  3. Step 3: Cross multiply
    6,090.12x = 9,135.18 × 3,487.50
  4. Step 4: Simplify right side
    6,090.12x = 31,858,940.25
  5. Step 5: Solve for x
    x = 31,858,940.25/6,090.12
  6. Step 6: Final answer
    x = 5,231.25

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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.