Home / 6,118.89-9,185.64-3,654.87

Finding the Fourth Proportional to 6,118.89, 9,185.64 and 3,654.87

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Solution

The fourth proportional to 6,118.89, 9,185.64 and 3,654.87 is: 5,486.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118.89 : 9,185.64 = 3,654.87 : x
  2. Step 2: Convert to fraction form
    6,118.89/9,185.64 = 3,654.87/x
  3. Step 3: Cross multiply
    6,118.89x = 9,185.64 × 3,654.87
  4. Step 4: Simplify right side
    6,118.89x = 33,572,320.07
  5. Step 5: Solve for x
    x = 33,572,320.07/6,118.89
  6. Step 6: Final answer
    x = 5,486.67

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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.