Home / 8,534.55-12,815.72-5,268.41

Finding the Fourth Proportional to 8,534.55, 12,815.72 and 5,268.41

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Solution

The fourth proportional to 8,534.55, 12,815.72 and 5,268.41 is: 7,911.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,534.55 : 12,815.72 = 5,268.41 : x
  2. Step 2: Convert to fraction form
    8,534.55/12,815.72 = 5,268.41/x
  3. Step 3: Cross multiply
    8,534.55x = 12,815.72 × 5,268.41
  4. Step 4: Simplify right side
    8,534.55x = 67,518,467.41
  5. Step 5: Solve for x
    x = 67,518,467.41/8,534.55
  6. Step 6: Final answer
    x = 7,911.19

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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.