Home / 9,120.56-13,678.83-2,544.98

Finding the Fourth Proportional to 9,120.56, 13,678.83 and 2,544.98

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Solution

The fourth proportional to 9,120.56, 13,678.83 and 2,544.98 is: 3,816.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120.56 : 13,678.83 = 2,544.98 : x
  2. Step 2: Convert to fraction form
    9,120.56/13,678.83 = 2,544.98/x
  3. Step 3: Cross multiply
    9,120.56x = 13,678.83 × 2,544.98
  4. Step 4: Simplify right side
    9,120.56x = 34,812,348.77
  5. Step 5: Solve for x
    x = 34,812,348.77/9,120.56
  6. Step 6: Final answer
    x = 3,816.91

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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.