Home / 5,542.26-8,312.30-1,645.80

Finding the Fourth Proportional to 5,542.26, 8,312.30 and 1,645.80

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Solution

The fourth proportional to 5,542.26, 8,312.30 and 1,645.80 is: 2,468.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,542.26 : 8,312.30 = 1,645.80 : x
  2. Step 2: Convert to fraction form
    5,542.26/8,312.30 = 1,645.80/x
  3. Step 3: Cross multiply
    5,542.26x = 8,312.30 × 1,645.80
  4. Step 4: Simplify right side
    5,542.26x = 13,680,383.34
  5. Step 5: Solve for x
    x = 13,680,383.34/5,542.26
  6. Step 6: Final answer
    x = 2,468.38

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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.