Home / 7,542.11-10,409.78-4,186.08

Finding the Fourth Proportional to 7,542.11, 10,409.78 and 4,186.08

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Solution

The fourth proportional to 7,542.11, 10,409.78 and 4,186.08 is: 5,777.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.11 : 10,409.78 = 4,186.08 : x
  2. Step 2: Convert to fraction form
    7,542.11/10,409.78 = 4,186.08/x
  3. Step 3: Cross multiply
    7,542.11x = 10,409.78 × 4,186.08
  4. Step 4: Simplify right side
    7,542.11x = 43,576,182.33
  5. Step 5: Solve for x
    x = 43,576,182.33/7,542.11
  6. Step 6: Final answer
    x = 5,777.72

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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.