Home / 6,966.36-10,431.71-3,842.90

Finding the Fourth Proportional to 6,966.36, 10,431.71 and 3,842.90

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Solution

The fourth proportional to 6,966.36, 10,431.71 and 3,842.90 is: 5,754.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,966.36 : 10,431.71 = 3,842.90 : x
  2. Step 2: Convert to fraction form
    6,966.36/10,431.71 = 3,842.90/x
  3. Step 3: Cross multiply
    6,966.36x = 10,431.71 × 3,842.90
  4. Step 4: Simplify right side
    6,966.36x = 40,088,027.35
  5. Step 5: Solve for x
    x = 40,088,027.35/6,966.36
  6. Step 6: Final answer
    x = 5,754.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.