Home / 4,342.20-6,503.70-1,743.80

Finding the Fourth Proportional to 4,342.20, 6,503.70 and 1,743.80

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Solution

The fourth proportional to 4,342.20, 6,503.70 and 1,743.80 is: 2,611.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.20 : 6,503.70 = 1,743.80 : x
  2. Step 2: Convert to fraction form
    4,342.20/6,503.70 = 1,743.80/x
  3. Step 3: Cross multiply
    4,342.20x = 6,503.70 × 1,743.80
  4. Step 4: Simplify right side
    4,342.20x = 11,341,152.06
  5. Step 5: Solve for x
    x = 11,341,152.06/4,342.20
  6. Step 6: Final answer
    x = 2,611.84

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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.