Home / 6,586.72-9,090.48-3,934.12

Finding the Fourth Proportional to 6,586.72, 9,090.48 and 3,934.12

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Solution

The fourth proportional to 6,586.72, 9,090.48 and 3,934.12 is: 5,429.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,586.72 : 9,090.48 = 3,934.12 : x
  2. Step 2: Convert to fraction form
    6,586.72/9,090.48 = 3,934.12/x
  3. Step 3: Cross multiply
    6,586.72x = 9,090.48 × 3,934.12
  4. Step 4: Simplify right side
    6,586.72x = 35,763,039.18
  5. Step 5: Solve for x
    x = 35,763,039.18/6,586.72
  6. Step 6: Final answer
    x = 5,429.57

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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.