Home / 8,780.93-13,173.47-2,541.09

Finding the Fourth Proportional to 8,780.93, 13,173.47 and 2,541.09

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Solution

The fourth proportional to 8,780.93, 13,173.47 and 2,541.09 is: 3,812.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780.93 : 13,173.47 = 2,541.09 : x
  2. Step 2: Convert to fraction form
    8,780.93/13,173.47 = 2,541.09/x
  3. Step 3: Cross multiply
    8,780.93x = 13,173.47 × 2,541.09
  4. Step 4: Simplify right side
    8,780.93x = 33,474,907.01
  5. Step 5: Solve for x
    x = 33,474,907.01/8,780.93
  6. Step 6: Final answer
    x = 3,812.23

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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.