Home / 5,618.59-8,425.26-1,668.39

Finding the Fourth Proportional to 5,618.59, 8,425.26 and 1,668.39

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Solution

The fourth proportional to 5,618.59, 8,425.26 and 1,668.39 is: 2,501.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.59 : 8,425.26 = 1,668.39 : x
  2. Step 2: Convert to fraction form
    5,618.59/8,425.26 = 1,668.39/x
  3. Step 3: Cross multiply
    5,618.59x = 8,425.26 × 1,668.39
  4. Step 4: Simplify right side
    5,618.59x = 14,056,611.19
  5. Step 5: Solve for x
    x = 14,056,611.19/5,618.59
  6. Step 6: Final answer
    x = 2,501.81

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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.