Home / 5,210.61-7,814.19-1,512.96

Finding the Fourth Proportional to 5,210.61, 7,814.19 and 1,512.96

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Solution

The fourth proportional to 5,210.61, 7,814.19 and 1,512.96 is: 2,268.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.61 : 7,814.19 = 1,512.96 : x
  2. Step 2: Convert to fraction form
    5,210.61/7,814.19 = 1,512.96/x
  3. Step 3: Cross multiply
    5,210.61x = 7,814.19 × 1,512.96
  4. Step 4: Simplify right side
    5,210.61x = 11,822,556.90
  5. Step 5: Solve for x
    x = 11,822,556.90/5,210.61
  6. Step 6: Final answer
    x = 2,268.94

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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.