Home / 5,439.49-8,159.84-1,740.85

Finding the Fourth Proportional to 5,439.49, 8,159.84 and 1,740.85

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Solution

The fourth proportional to 5,439.49, 8,159.84 and 1,740.85 is: 2,611.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.49 : 8,159.84 = 1,740.85 : x
  2. Step 2: Convert to fraction form
    5,439.49/8,159.84 = 1,740.85/x
  3. Step 3: Cross multiply
    5,439.49x = 8,159.84 × 1,740.85
  4. Step 4: Simplify right side
    5,439.49x = 14,205,057.46
  5. Step 5: Solve for x
    x = 14,205,057.46/5,439.49
  6. Step 6: Final answer
    x = 2,611.47

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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.