Home / 9,005.10-13,519.80-5,724.60

Finding the Fourth Proportional to 9,005.10, 13,519.80 and 5,724.60

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Solution

The fourth proportional to 9,005.10, 13,519.80 and 5,724.60 is: 8,594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005.10 : 13,519.80 = 5,724.60 : x
  2. Step 2: Convert to fraction form
    9,005.10/13,519.80 = 5,724.60/x
  3. Step 3: Cross multiply
    9,005.10x = 13,519.80 × 5,724.60
  4. Step 4: Simplify right side
    9,005.10x = 77,395,447.08
  5. Step 5: Solve for x
    x = 77,395,447.08/9,005.10
  6. Step 6: Final answer
    x = 8,594.62

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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.