Home / 9,329.28-13,967.76-4,936.80

Finding the Fourth Proportional to 9,329.28, 13,967.76 and 4,936.80

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Solution

The fourth proportional to 9,329.28, 13,967.76 and 4,936.80 is: 7,391.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.28 : 13,967.76 = 4,936.80 : x
  2. Step 2: Convert to fraction form
    9,329.28/13,967.76 = 4,936.80/x
  3. Step 3: Cross multiply
    9,329.28x = 13,967.76 × 4,936.80
  4. Step 4: Simplify right side
    9,329.28x = 68,956,037.57
  5. Step 5: Solve for x
    x = 68,956,037.57/9,329.28
  6. Step 6: Final answer
    x = 7,391.36

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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.