Home / 5,010.36-6,917.45-3,218.55

Finding the Fourth Proportional to 5,010.36, 6,917.45 and 3,218.55

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Solution

The fourth proportional to 5,010.36, 6,917.45 and 3,218.55 is: 4,443.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.36 : 6,917.45 = 3,218.55 : x
  2. Step 2: Convert to fraction form
    5,010.36/6,917.45 = 3,218.55/x
  3. Step 3: Cross multiply
    5,010.36x = 6,917.45 × 3,218.55
  4. Step 4: Simplify right side
    5,010.36x = 22,264,142.60
  5. Step 5: Solve for x
    x = 22,264,142.60/5,010.36
  6. Step 6: Final answer
    x = 4,443.62

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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.