Home / 5,439.55-8,160.35-1,740.79

Finding the Fourth Proportional to 5,439.55, 8,160.35 and 1,740.79

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Solution

The fourth proportional to 5,439.55, 8,160.35 and 1,740.79 is: 2,611.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.55 : 8,160.35 = 1,740.79 : x
  2. Step 2: Convert to fraction form
    5,439.55/8,160.35 = 1,740.79/x
  3. Step 3: Cross multiply
    5,439.55x = 8,160.35 × 1,740.79
  4. Step 4: Simplify right side
    5,439.55x = 14,205,455.68
  5. Step 5: Solve for x
    x = 14,205,455.68/5,439.55
  6. Step 6: Final answer
    x = 2,611.51

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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.