Home / 7,409.61-11,115.63-3,028.32

Finding the Fourth Proportional to 7,409.61, 11,115.63 and 3,028.32

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Solution

The fourth proportional to 7,409.61, 11,115.63 and 3,028.32 is: 4,542.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.61 : 11,115.63 = 3,028.32 : x
  2. Step 2: Convert to fraction form
    7,409.61/11,115.63 = 3,028.32/x
  3. Step 3: Cross multiply
    7,409.61x = 11,115.63 × 3,028.32
  4. Step 4: Simplify right side
    7,409.61x = 33,661,684.64
  5. Step 5: Solve for x
    x = 33,661,684.64/7,409.61
  6. Step 6: Final answer
    x = 4,542.98

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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.