Home / 6,908.80-9,534.96-3,925.56

Finding the Fourth Proportional to 6,908.80, 9,534.96 and 3,925.56

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Solution

The fourth proportional to 6,908.80, 9,534.96 and 3,925.56 is: 5,417.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908.80 : 9,534.96 = 3,925.56 : x
  2. Step 2: Convert to fraction form
    6,908.80/9,534.96 = 3,925.56/x
  3. Step 3: Cross multiply
    6,908.80x = 9,534.96 × 3,925.56
  4. Step 4: Simplify right side
    6,908.80x = 37,430,057.58
  5. Step 5: Solve for x
    x = 37,430,057.58/6,908.80
  6. Step 6: Final answer
    x = 5,417.74

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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.