Home / 5,439.68-8,160.53-1,740.91

Finding the Fourth Proportional to 5,439.68, 8,160.53 and 1,740.91

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Solution

The fourth proportional to 5,439.68, 8,160.53 and 1,740.91 is: 2,611.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.68 : 8,160.53 = 1,740.91 : x
  2. Step 2: Convert to fraction form
    5,439.68/8,160.53 = 1,740.91/x
  3. Step 3: Cross multiply
    5,439.68x = 8,160.53 × 1,740.91
  4. Step 4: Simplify right side
    5,439.68x = 14,206,748.28
  5. Step 5: Solve for x
    x = 14,206,748.28/5,439.68
  6. Step 6: Final answer
    x = 2,611.69

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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.