Home / 6,586.88-9,090.04-3,933.79

Finding the Fourth Proportional to 6,586.88, 9,090.04 and 3,933.79

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Solution

The fourth proportional to 6,586.88, 9,090.04 and 3,933.79 is: 5,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,586.88 : 9,090.04 = 3,933.79 : x
  2. Step 2: Convert to fraction form
    6,586.88/9,090.04 = 3,933.79/x
  3. Step 3: Cross multiply
    6,586.88x = 9,090.04 × 3,933.79
  4. Step 4: Simplify right side
    6,586.88x = 35,758,308.45
  5. Step 5: Solve for x
    x = 35,758,308.45/6,586.88
  6. Step 6: Final answer
    x = 5,428.72

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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.