Home / 7,424.55-11,137.19-4,135.16

Finding the Fourth Proportional to 7,424.55, 11,137.19 and 4,135.16

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Solution

The fourth proportional to 7,424.55, 11,137.19 and 4,135.16 is: 6,202.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.55 : 11,137.19 = 4,135.16 : x
  2. Step 2: Convert to fraction form
    7,424.55/11,137.19 = 4,135.16/x
  3. Step 3: Cross multiply
    7,424.55x = 11,137.19 × 4,135.16
  4. Step 4: Simplify right side
    7,424.55x = 46,054,069.77
  5. Step 5: Solve for x
    x = 46,054,069.77/7,424.55
  6. Step 6: Final answer
    x = 6,202.94

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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.