Home / 5,110.57-7,053.93-3,122.80

Finding the Fourth Proportional to 5,110.57, 7,053.93 and 3,122.80

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Solution

The fourth proportional to 5,110.57, 7,053.93 and 3,122.80 is: 4,310.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.57 : 7,053.93 = 3,122.80 : x
  2. Step 2: Convert to fraction form
    5,110.57/7,053.93 = 3,122.80/x
  3. Step 3: Cross multiply
    5,110.57x = 7,053.93 × 3,122.80
  4. Step 4: Simplify right side
    5,110.57x = 22,027,987.81
  5. Step 5: Solve for x
    x = 22,027,987.81/5,110.57
  6. Step 6: Final answer
    x = 4,310.28

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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.