Home / 9,145.93-13,719.40-2,571.60

Finding the Fourth Proportional to 9,145.93, 13,719.40 and 2,571.60

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Solution

The fourth proportional to 9,145.93, 13,719.40 and 2,571.60 is: 3,857.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.93 : 13,719.40 = 2,571.60 : x
  2. Step 2: Convert to fraction form
    9,145.93/13,719.40 = 2,571.60/x
  3. Step 3: Cross multiply
    9,145.93x = 13,719.40 × 2,571.60
  4. Step 4: Simplify right side
    9,145.93x = 35,280,809.04
  5. Step 5: Solve for x
    x = 35,280,809.04/9,145.93
  6. Step 6: Final answer
    x = 3,857.54

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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.