Home / 6,911.02-9,537.47-3,927.36

Finding the Fourth Proportional to 6,911.02, 9,537.47 and 3,927.36

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Solution

The fourth proportional to 6,911.02, 9,537.47 and 3,927.36 is: 5,419.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.02 : 9,537.47 = 3,927.36 : x
  2. Step 2: Convert to fraction form
    6,911.02/9,537.47 = 3,927.36/x
  3. Step 3: Cross multiply
    6,911.02x = 9,537.47 × 3,927.36
  4. Step 4: Simplify right side
    6,911.02x = 37,457,078.18
  5. Step 5: Solve for x
    x = 37,457,078.18/6,911.02
  6. Step 6: Final answer
    x = 5,419.91

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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.