Home / 7,544.12-10,409.69-4,186.87

Finding the Fourth Proportional to 7,544.12, 10,409.69 and 4,186.87

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Solution

The fourth proportional to 7,544.12, 10,409.69 and 4,186.87 is: 5,777.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,544.12 : 10,409.69 = 4,186.87 : x
  2. Step 2: Convert to fraction form
    7,544.12/10,409.69 = 4,186.87/x
  3. Step 3: Cross multiply
    7,544.12x = 10,409.69 × 4,186.87
  4. Step 4: Simplify right side
    7,544.12x = 43,583,991.88
  5. Step 5: Solve for x
    x = 43,583,991.88/7,544.12
  6. Step 6: Final answer
    x = 5,777.21

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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.