Home / 8,438.62-12,657.96-2,595.19

Finding the Fourth Proportional to 8,438.62, 12,657.96 and 2,595.19

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Solution

The fourth proportional to 8,438.62, 12,657.96 and 2,595.19 is: 3,892.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438.62 : 12,657.96 = 2,595.19 : x
  2. Step 2: Convert to fraction form
    8,438.62/12,657.96 = 2,595.19/x
  3. Step 3: Cross multiply
    8,438.62x = 12,657.96 × 2,595.19
  4. Step 4: Simplify right side
    8,438.62x = 32,849,811.21
  5. Step 5: Solve for x
    x = 32,849,811.21/8,438.62
  6. Step 6: Final answer
    x = 3,892.79

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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.