Home / 5,140.10-7,093.32-2,782.24

Finding the Fourth Proportional to 5,140.10, 7,093.32 and 2,782.24

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Solution

The fourth proportional to 5,140.10, 7,093.32 and 2,782.24 is: 3,839.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.10 : 7,093.32 = 2,782.24 : x
  2. Step 2: Convert to fraction form
    5,140.10/7,093.32 = 2,782.24/x
  3. Step 3: Cross multiply
    5,140.10x = 7,093.32 × 2,782.24
  4. Step 4: Simplify right side
    5,140.10x = 19,735,318.64
  5. Step 5: Solve for x
    x = 19,735,318.64/5,140.10
  6. Step 6: Final answer
    x = 3,839.48

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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.