Home / 9,153.78-13,731.06-2,580.60

Finding the Fourth Proportional to 9,153.78, 13,731.06 and 2,580.60

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Solution

The fourth proportional to 9,153.78, 13,731.06 and 2,580.60 is: 3,871.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.78 : 13,731.06 = 2,580.60 : x
  2. Step 2: Convert to fraction form
    9,153.78/13,731.06 = 2,580.60/x
  3. Step 3: Cross multiply
    9,153.78x = 13,731.06 × 2,580.60
  4. Step 4: Simplify right side
    9,153.78x = 35,434,373.44
  5. Step 5: Solve for x
    x = 35,434,373.44/9,153.78
  6. Step 6: Final answer
    x = 3,871.01

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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.