Home / 5,234.36-7,852.38-1,902.90

Finding the Fourth Proportional to 5,234.36, 7,852.38 and 1,902.90

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Solution

The fourth proportional to 5,234.36, 7,852.38 and 1,902.90 is: 2,854.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.36 : 7,852.38 = 1,902.90 : x
  2. Step 2: Convert to fraction form
    5,234.36/7,852.38 = 1,902.90/x
  3. Step 3: Cross multiply
    5,234.36x = 7,852.38 × 1,902.90
  4. Step 4: Simplify right side
    5,234.36x = 14,942,316.21
  5. Step 5: Solve for x
    x = 14,942,316.21/5,234.36
  6. Step 6: Final answer
    x = 2,854.66

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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.