Home / 8,850.47-13,271.49-5,153.72

Finding the Fourth Proportional to 8,850.47, 13,271.49 and 5,153.72

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Solution

The fourth proportional to 8,850.47, 13,271.49 and 5,153.72 is: 7,728.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,850.47 : 13,271.49 = 5,153.72 : x
  2. Step 2: Convert to fraction form
    8,850.47/13,271.49 = 5,153.72/x
  3. Step 3: Cross multiply
    8,850.47x = 13,271.49 × 5,153.72
  4. Step 4: Simplify right side
    8,850.47x = 68,397,477.09
  5. Step 5: Solve for x
    x = 68,397,477.09/8,850.47
  6. Step 6: Final answer
    x = 7,728.12

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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.