Home / 7,452.80-11,177.54-2,521.80

Finding the Fourth Proportional to 7,452.80, 11,177.54 and 2,521.80

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Solution

The fourth proportional to 7,452.80, 11,177.54 and 2,521.80 is: 3,782.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.80 : 11,177.54 = 2,521.80 : x
  2. Step 2: Convert to fraction form
    7,452.80/11,177.54 = 2,521.80/x
  3. Step 3: Cross multiply
    7,452.80x = 11,177.54 × 2,521.80
  4. Step 4: Simplify right side
    7,452.80x = 28,187,520.37
  5. Step 5: Solve for x
    x = 28,187,520.37/7,452.80
  6. Step 6: Final answer
    x = 3,782.14

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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.