Home / 6,620.16-9,131.52-4,525.44

Finding the Fourth Proportional to 6,620.16, 9,131.52 and 4,525.44

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Solution

The fourth proportional to 6,620.16, 9,131.52 and 4,525.44 is: 6,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.16 : 9,131.52 = 4,525.44 : x
  2. Step 2: Convert to fraction form
    6,620.16/9,131.52 = 4,525.44/x
  3. Step 3: Cross multiply
    6,620.16x = 9,131.52 × 4,525.44
  4. Step 4: Simplify right side
    6,620.16x = 41,324,145.87
  5. Step 5: Solve for x
    x = 41,324,145.87/6,620.16
  6. Step 6: Final answer
    x = 6,242.17

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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.