Home / 5,629.66-7,768.11-3,534.46

Finding the Fourth Proportional to 5,629.66, 7,768.11 and 3,534.46

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Solution

The fourth proportional to 5,629.66, 7,768.11 and 3,534.46 is: 4,877.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.66 : 7,768.11 = 3,534.46 : x
  2. Step 2: Convert to fraction form
    5,629.66/7,768.11 = 3,534.46/x
  3. Step 3: Cross multiply
    5,629.66x = 7,768.11 × 3,534.46
  4. Step 4: Simplify right side
    5,629.66x = 27,456,074.07
  5. Step 5: Solve for x
    x = 27,456,074.07/5,629.66
  6. Step 6: Final answer
    x = 4,877.04

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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.