Home / 10,651.54-15,975.11-2,858.50

Finding the Fourth Proportional to 10,651.54, 15,975.11 and 2,858.50

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Solution

The fourth proportional to 10,651.54, 15,975.11 and 2,858.50 is: 4,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651.54 : 15,975.11 = 2,858.50 : x
  2. Step 2: Convert to fraction form
    10,651.54/15,975.11 = 2,858.50/x
  3. Step 3: Cross multiply
    10,651.54x = 15,975.11 × 2,858.50
  4. Step 4: Simplify right side
    10,651.54x = 45,664,851.94
  5. Step 5: Solve for x
    x = 45,664,851.94/10,651.54
  6. Step 6: Final answer
    x = 4,287.16

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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.