Home / 5,140.03-7,093.25-2,782.17

Finding the Fourth Proportional to 5,140.03, 7,093.25 and 2,782.17

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Solution

The fourth proportional to 5,140.03, 7,093.25 and 2,782.17 is: 3,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.03 : 7,093.25 = 2,782.17 : x
  2. Step 2: Convert to fraction form
    5,140.03/7,093.25 = 2,782.17/x
  3. Step 3: Cross multiply
    5,140.03x = 7,093.25 × 2,782.17
  4. Step 4: Simplify right side
    5,140.03x = 19,734,627.35
  5. Step 5: Solve for x
    x = 19,734,627.35/5,140.03
  6. Step 6: Final answer
    x = 3,839.40

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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.