Home / 9,147.08-13,719.03-2,571.70

Finding the Fourth Proportional to 9,147.08, 13,719.03 and 2,571.70

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Solution

The fourth proportional to 9,147.08, 13,719.03 and 2,571.70 is: 3,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.08 : 13,719.03 = 2,571.70 : x
  2. Step 2: Convert to fraction form
    9,147.08/13,719.03 = 2,571.70/x
  3. Step 3: Cross multiply
    9,147.08x = 13,719.03 × 2,571.70
  4. Step 4: Simplify right side
    9,147.08x = 35,281,271.25
  5. Step 5: Solve for x
    x = 35,281,271.25/9,147.08
  6. Step 6: Final answer
    x = 3,857.11

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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.