Home / 9,127.28-13,691.74-3,285.56

Finding the Fourth Proportional to 9,127.28, 13,691.74 and 3,285.56

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Solution

The fourth proportional to 9,127.28, 13,691.74 and 3,285.56 is: 4,928.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.28 : 13,691.74 = 3,285.56 : x
  2. Step 2: Convert to fraction form
    9,127.28/13,691.74 = 3,285.56/x
  3. Step 3: Cross multiply
    9,127.28x = 13,691.74 × 3,285.56
  4. Step 4: Simplify right side
    9,127.28x = 44,985,033.27
  5. Step 5: Solve for x
    x = 44,985,033.27/9,127.28
  6. Step 6: Final answer
    x = 4,928.64

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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.