Home / 8,268.01-12,397.45-4,309.39

Finding the Fourth Proportional to 8,268.01, 12,397.45 and 4,309.39

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Solution

The fourth proportional to 8,268.01, 12,397.45 and 4,309.39 is: 6,461.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.01 : 12,397.45 = 4,309.39 : x
  2. Step 2: Convert to fraction form
    8,268.01/12,397.45 = 4,309.39/x
  3. Step 3: Cross multiply
    8,268.01x = 12,397.45 × 4,309.39
  4. Step 4: Simplify right side
    8,268.01x = 53,425,447.06
  5. Step 5: Solve for x
    x = 53,425,447.06/8,268.01
  6. Step 6: Final answer
    x = 6,461.71

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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.