Home / 5,461.36-8,185.56-3,148.08

Finding the Fourth Proportional to 5,461.36, 8,185.56 and 3,148.08

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Solution

The fourth proportional to 5,461.36, 8,185.56 and 3,148.08 is: 4,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.36 : 8,185.56 = 3,148.08 : x
  2. Step 2: Convert to fraction form
    5,461.36/8,185.56 = 3,148.08/x
  3. Step 3: Cross multiply
    5,461.36x = 8,185.56 × 3,148.08
  4. Step 4: Simplify right side
    5,461.36x = 25,768,797.72
  5. Step 5: Solve for x
    x = 25,768,797.72/5,461.36
  6. Step 6: Final answer
    x = 4,718.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.