Home / 6,410.18-9,611.84-3,288.90

Finding the Fourth Proportional to 6,410.18, 9,611.84 and 3,288.90

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Solution

The fourth proportional to 6,410.18, 9,611.84 and 3,288.90 is: 4,931.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410.18 : 9,611.84 = 3,288.90 : x
  2. Step 2: Convert to fraction form
    6,410.18/9,611.84 = 3,288.90/x
  3. Step 3: Cross multiply
    6,410.18x = 9,611.84 × 3,288.90
  4. Step 4: Simplify right side
    6,410.18x = 31,612,380.58
  5. Step 5: Solve for x
    x = 31,612,380.58/6,410.18
  6. Step 6: Final answer
    x = 4,931.59

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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.