Home / 6,789.18-9,366.36-3,956.13

Finding the Fourth Proportional to 6,789.18, 9,366.36 and 3,956.13

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Solution

The fourth proportional to 6,789.18, 9,366.36 and 3,956.13 is: 5,457.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.18 : 9,366.36 = 3,956.13 : x
  2. Step 2: Convert to fraction form
    6,789.18/9,366.36 = 3,956.13/x
  3. Step 3: Cross multiply
    6,789.18x = 9,366.36 × 3,956.13
  4. Step 4: Simplify right side
    6,789.18x = 37,054,537.79
  5. Step 5: Solve for x
    x = 37,054,537.79/6,789.18
  6. Step 6: Final answer
    x = 5,457.88

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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.