Home / 8,315.28-11,469.96-4,955.94

Finding the Fourth Proportional to 8,315.28, 11,469.96 and 4,955.94

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Solution

The fourth proportional to 8,315.28, 11,469.96 and 4,955.94 is: 6,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.28 : 11,469.96 = 4,955.94 : x
  2. Step 2: Convert to fraction form
    8,315.28/11,469.96 = 4,955.94/x
  3. Step 3: Cross multiply
    8,315.28x = 11,469.96 × 4,955.94
  4. Step 4: Simplify right side
    8,315.28x = 56,844,433.56
  5. Step 5: Solve for x
    x = 56,844,433.56/8,315.28
  6. Step 6: Final answer
    x = 6,836.14

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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.