Home / 6,940.28-9,577.34-3,957.08

Finding the Fourth Proportional to 6,940.28, 9,577.34 and 3,957.08

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Solution

The fourth proportional to 6,940.28, 9,577.34 and 3,957.08 is: 5,460.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.28 : 9,577.34 = 3,957.08 : x
  2. Step 2: Convert to fraction form
    6,940.28/9,577.34 = 3,957.08/x
  3. Step 3: Cross multiply
    6,940.28x = 9,577.34 × 3,957.08
  4. Step 4: Simplify right side
    6,940.28x = 37,898,252.68
  5. Step 5: Solve for x
    x = 37,898,252.68/6,940.28
  6. Step 6: Final answer
    x = 5,460.62

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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.