Home / 6,911.60-9,538.26-3,927.56

Finding the Fourth Proportional to 6,911.60, 9,538.26 and 3,927.56

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Solution

The fourth proportional to 6,911.60, 9,538.26 and 3,927.56 is: 5,420.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.60 : 9,538.26 = 3,927.56 : x
  2. Step 2: Convert to fraction form
    6,911.60/9,538.26 = 3,927.56/x
  3. Step 3: Cross multiply
    6,911.60x = 9,538.26 × 3,927.56
  4. Step 4: Simplify right side
    6,911.60x = 37,462,097.56
  5. Step 5: Solve for x
    x = 37,462,097.56/6,911.60
  6. Step 6: Final answer
    x = 5,420.18

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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.