Home / 5,212.54-7,819.45-1,702.90

Finding the Fourth Proportional to 5,212.54, 7,819.45 and 1,702.90

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Solution

The fourth proportional to 5,212.54, 7,819.45 and 1,702.90 is: 2,554.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.54 : 7,819.45 = 1,702.90 : x
  2. Step 2: Convert to fraction form
    5,212.54/7,819.45 = 1,702.90/x
  3. Step 3: Cross multiply
    5,212.54x = 7,819.45 × 1,702.90
  4. Step 4: Simplify right side
    5,212.54x = 13,315,741.41
  5. Step 5: Solve for x
    x = 13,315,741.41/5,212.54
  6. Step 6: Final answer
    x = 2,554.56

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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.