Home / 6,609.98-9,119.40-3,775.31

Finding the Fourth Proportional to 6,609.98, 9,119.40 and 3,775.31

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Solution

The fourth proportional to 6,609.98, 9,119.40 and 3,775.31 is: 5,208.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.98 : 9,119.40 = 3,775.31 : x
  2. Step 2: Convert to fraction form
    6,609.98/9,119.40 = 3,775.31/x
  3. Step 3: Cross multiply
    6,609.98x = 9,119.40 × 3,775.31
  4. Step 4: Simplify right side
    6,609.98x = 34,428,516.42
  5. Step 5: Solve for x
    x = 34,428,516.42/6,609.98
  6. Step 6: Final answer
    x = 5,208.57

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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.