Home / 6,911.60-9,537.95-3,927.35

Finding the Fourth Proportional to 6,911.60, 9,537.95 and 3,927.35

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Solution

The fourth proportional to 6,911.60, 9,537.95 and 3,927.35 is: 5,419.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.60 : 9,537.95 = 3,927.35 : x
  2. Step 2: Convert to fraction form
    6,911.60/9,537.95 = 3,927.35/x
  3. Step 3: Cross multiply
    6,911.60x = 9,537.95 × 3,927.35
  4. Step 4: Simplify right side
    6,911.60x = 37,458,901.60
  5. Step 5: Solve for x
    x = 37,458,901.60/6,911.60
  6. Step 6: Final answer
    x = 5,419.72

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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.