Home / 6,911.19-9,538.36-3,927.98

Finding the Fourth Proportional to 6,911.19, 9,538.36 and 3,927.98

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Solution

The fourth proportional to 6,911.19, 9,538.36 and 3,927.98 is: 5,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.19 : 9,538.36 = 3,927.98 : x
  2. Step 2: Convert to fraction form
    6,911.19/9,538.36 = 3,927.98/x
  3. Step 3: Cross multiply
    6,911.19x = 9,538.36 × 3,927.98
  4. Step 4: Simplify right side
    6,911.19x = 37,466,501.34
  5. Step 5: Solve for x
    x = 37,466,501.34/6,911.19
  6. Step 6: Final answer
    x = 5,421.14

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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.