Home / 5,409.41-8,113.30-4,490.87

Finding the Fourth Proportional to 5,409.41, 8,113.30 and 4,490.87

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Solution

The fourth proportional to 5,409.41, 8,113.30 and 4,490.87 is: 6,735.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.41 : 8,113.30 = 4,490.87 : x
  2. Step 2: Convert to fraction form
    5,409.41/8,113.30 = 4,490.87/x
  3. Step 3: Cross multiply
    5,409.41x = 8,113.30 × 4,490.87
  4. Step 4: Simplify right side
    5,409.41x = 36,435,723.78
  5. Step 5: Solve for x
    x = 36,435,723.78/5,409.41
  6. Step 6: Final answer
    x = 6,735.63

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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.