Home / 5,690.26-7,852.56-3,172.30

Finding the Fourth Proportional to 5,690.26, 7,852.56 and 3,172.30

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Solution

The fourth proportional to 5,690.26, 7,852.56 and 3,172.30 is: 4,377.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.26 : 7,852.56 = 3,172.30 : x
  2. Step 2: Convert to fraction form
    5,690.26/7,852.56 = 3,172.30/x
  3. Step 3: Cross multiply
    5,690.26x = 7,852.56 × 3,172.30
  4. Step 4: Simplify right side
    5,690.26x = 24,910,676.09
  5. Step 5: Solve for x
    x = 24,910,676.09/5,690.26
  6. Step 6: Final answer
    x = 4,377.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.