Home / 6,911.73-9,538.16-3,927.69

Finding the Fourth Proportional to 6,911.73, 9,538.16 and 3,927.69

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Solution

The fourth proportional to 6,911.73, 9,538.16 and 3,927.69 is: 5,420.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.73 : 9,538.16 = 3,927.69 : x
  2. Step 2: Convert to fraction form
    6,911.73/9,538.16 = 3,927.69/x
  3. Step 3: Cross multiply
    6,911.73x = 9,538.16 × 3,927.69
  4. Step 4: Simplify right side
    6,911.73x = 37,462,916.01
  5. Step 5: Solve for x
    x = 37,462,916.01/6,911.73
  6. Step 6: Final answer
    x = 5,420.19

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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.