Home / 6,129.18-8,455.46-3,610.09

Finding the Fourth Proportional to 6,129.18, 8,455.46 and 3,610.09

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Solution

The fourth proportional to 6,129.18, 8,455.46 and 3,610.09 is: 4,980.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.18 : 8,455.46 = 3,610.09 : x
  2. Step 2: Convert to fraction form
    6,129.18/8,455.46 = 3,610.09/x
  3. Step 3: Cross multiply
    6,129.18x = 8,455.46 × 3,610.09
  4. Step 4: Simplify right side
    6,129.18x = 30,524,929.31
  5. Step 5: Solve for x
    x = 30,524,929.31/6,129.18
  6. Step 6: Final answer
    x = 4,980.26

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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.