Home / 6,789-9,367.92-3,957.34

Finding the Fourth Proportional to 6,789, 9,367.92 and 3,957.34

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Solution

The fourth proportional to 6,789, 9,367.92 and 3,957.34 is: 5,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789 : 9,367.92 = 3,957.34 : x
  2. Step 2: Convert to fraction form
    6,789/9,367.92 = 3,957.34/x
  3. Step 3: Cross multiply
    6,789x = 9,367.92 × 3,957.34
  4. Step 4: Simplify right side
    6,789x = 37,072,044.53
  5. Step 5: Solve for x
    x = 37,072,044.53/6,789
  6. Step 6: Final answer
    x = 5,460.60

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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.