Home / 8,436.31-12,655.68-2,593.42

Finding the Fourth Proportional to 8,436.31, 12,655.68 and 2,593.42

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Solution

The fourth proportional to 8,436.31, 12,655.68 and 2,593.42 is: 3,890.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.31 : 12,655.68 = 2,593.42 : x
  2. Step 2: Convert to fraction form
    8,436.31/12,655.68 = 2,593.42/x
  3. Step 3: Cross multiply
    8,436.31x = 12,655.68 × 2,593.42
  4. Step 4: Simplify right side
    8,436.31x = 32,821,493.63
  5. Step 5: Solve for x
    x = 32,821,493.63/8,436.31
  6. Step 6: Final answer
    x = 3,890.50

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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.