Home / 5,113.39-7,054.48-2,874.75

Finding the Fourth Proportional to 5,113.39, 7,054.48 and 2,874.75

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Solution

The fourth proportional to 5,113.39, 7,054.48 and 2,874.75 is: 3,966.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.39 : 7,054.48 = 2,874.75 : x
  2. Step 2: Convert to fraction form
    5,113.39/7,054.48 = 2,874.75/x
  3. Step 3: Cross multiply
    5,113.39x = 7,054.48 × 2,874.75
  4. Step 4: Simplify right side
    5,113.39x = 20,279,866.38
  5. Step 5: Solve for x
    x = 20,279,866.38/5,113.39
  6. Step 6: Final answer
    x = 3,966.03

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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.