Home / 7,240.72-10,862.64-3,777.04

Finding the Fourth Proportional to 7,240.72, 10,862.64 and 3,777.04

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Solution

The fourth proportional to 7,240.72, 10,862.64 and 3,777.04 is: 5,666.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.72 : 10,862.64 = 3,777.04 : x
  2. Step 2: Convert to fraction form
    7,240.72/10,862.64 = 3,777.04/x
  3. Step 3: Cross multiply
    7,240.72x = 10,862.64 × 3,777.04
  4. Step 4: Simplify right side
    7,240.72x = 41,028,625.79
  5. Step 5: Solve for x
    x = 41,028,625.79/7,240.72
  6. Step 6: Final answer
    x = 5,666.37

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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.