Home / 9,185.56-13,778.40-3,640.24

Finding the Fourth Proportional to 9,185.56, 13,778.40 and 3,640.24

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Solution

The fourth proportional to 9,185.56, 13,778.40 and 3,640.24 is: 5,460.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,185.56 : 13,778.40 = 3,640.24 : x
  2. Step 2: Convert to fraction form
    9,185.56/13,778.40 = 3,640.24/x
  3. Step 3: Cross multiply
    9,185.56x = 13,778.40 × 3,640.24
  4. Step 4: Simplify right side
    9,185.56x = 50,156,682.82
  5. Step 5: Solve for x
    x = 50,156,682.82/9,185.56
  6. Step 6: Final answer
    x = 5,460.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.