Home / 6,914.48-9,542.79-3,930.76

Finding the Fourth Proportional to 6,914.48, 9,542.79 and 3,930.76

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Solution

The fourth proportional to 6,914.48, 9,542.79 and 3,930.76 is: 5,424.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,914.48 : 9,542.79 = 3,930.76 : x
  2. Step 2: Convert to fraction form
    6,914.48/9,542.79 = 3,930.76/x
  3. Step 3: Cross multiply
    6,914.48x = 9,542.79 × 3,930.76
  4. Step 4: Simplify right side
    6,914.48x = 37,510,417.22
  5. Step 5: Solve for x
    x = 37,510,417.22/6,914.48
  6. Step 6: Final answer
    x = 5,424.91

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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.