Home / 5,214.26-7,815.93-2,438.60

Finding the Fourth Proportional to 5,214.26, 7,815.93 and 2,438.60

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Solution

The fourth proportional to 5,214.26, 7,815.93 and 2,438.60 is: 3,655.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.26 : 7,815.93 = 2,438.60 : x
  2. Step 2: Convert to fraction form
    5,214.26/7,815.93 = 2,438.60/x
  3. Step 3: Cross multiply
    5,214.26x = 7,815.93 × 2,438.60
  4. Step 4: Simplify right side
    5,214.26x = 19,059,875.63
  5. Step 5: Solve for x
    x = 19,059,875.63/5,214.26
  6. Step 6: Final answer
    x = 3,655.34

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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.