Home / 8,986.88-13,471.08-3,438.92

Finding the Fourth Proportional to 8,986.88, 13,471.08 and 3,438.92

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Solution

The fourth proportional to 8,986.88, 13,471.08 and 3,438.92 is: 5,154.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986.88 : 13,471.08 = 3,438.92 : x
  2. Step 2: Convert to fraction form
    8,986.88/13,471.08 = 3,438.92/x
  3. Step 3: Cross multiply
    8,986.88x = 13,471.08 × 3,438.92
  4. Step 4: Simplify right side
    8,986.88x = 46,325,966.43
  5. Step 5: Solve for x
    x = 46,325,966.43/8,986.88
  6. Step 6: Final answer
    x = 5,154.84

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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.