Home / 8,539.96-12,808.49-2,298.58

Finding the Fourth Proportional to 8,539.96, 12,808.49 and 2,298.58

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Solution

The fourth proportional to 8,539.96, 12,808.49 and 2,298.58 is: 3,447.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.96 : 12,808.49 = 2,298.58 : x
  2. Step 2: Convert to fraction form
    8,539.96/12,808.49 = 2,298.58/x
  3. Step 3: Cross multiply
    8,539.96x = 12,808.49 × 2,298.58
  4. Step 4: Simplify right side
    8,539.96x = 29,441,295.43
  5. Step 5: Solve for x
    x = 29,441,295.43/8,539.96
  6. Step 6: Final answer
    x = 3,447.48

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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.