Home / 7,425.12-11,125.22-4,136.31

Finding the Fourth Proportional to 7,425.12, 11,125.22 and 4,136.31

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Solution

The fourth proportional to 7,425.12, 11,125.22 and 4,136.31 is: 6,197.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.12 : 11,125.22 = 4,136.31 : x
  2. Step 2: Convert to fraction form
    7,425.12/11,125.22 = 4,136.31/x
  3. Step 3: Cross multiply
    7,425.12x = 11,125.22 × 4,136.31
  4. Step 4: Simplify right side
    7,425.12x = 46,017,338.06
  5. Step 5: Solve for x
    x = 46,017,338.06/7,425.12
  6. Step 6: Final answer
    x = 6,197.52

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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.