Home / 5,640.53-7,782.92-3,250.07

Finding the Fourth Proportional to 5,640.53, 7,782.92 and 3,250.07

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Solution

The fourth proportional to 5,640.53, 7,782.92 and 3,250.07 is: 4,484.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640.53 : 7,782.92 = 3,250.07 : x
  2. Step 2: Convert to fraction form
    5,640.53/7,782.92 = 3,250.07/x
  3. Step 3: Cross multiply
    5,640.53x = 7,782.92 × 3,250.07
  4. Step 4: Simplify right side
    5,640.53x = 25,295,018.55
  5. Step 5: Solve for x
    x = 25,295,018.55/5,640.53
  6. Step 6: Final answer
    x = 4,484.51

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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.