Home / 8,268.41-12,419.58-5,461.39

Finding the Fourth Proportional to 8,268.41, 12,419.58 and 5,461.39

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Solution

The fourth proportional to 8,268.41, 12,419.58 and 5,461.39 is: 8,203.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.41 : 12,419.58 = 5,461.39 : x
  2. Step 2: Convert to fraction form
    8,268.41/12,419.58 = 5,461.39/x
  3. Step 3: Cross multiply
    8,268.41x = 12,419.58 × 5,461.39
  4. Step 4: Simplify right side
    8,268.41x = 67,828,170.02
  5. Step 5: Solve for x
    x = 67,828,170.02/8,268.41
  6. Step 6: Final answer
    x = 8,203.29

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1.5x scale

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.