Home / 7,485.77-11,229.69-2,554.09

Finding the Fourth Proportional to 7,485.77, 11,229.69 and 2,554.09

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Solution

The fourth proportional to 7,485.77, 11,229.69 and 2,554.09 is: 3,831.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.77 : 11,229.69 = 2,554.09 : x
  2. Step 2: Convert to fraction form
    7,485.77/11,229.69 = 2,554.09/x
  3. Step 3: Cross multiply
    7,485.77x = 11,229.69 × 2,554.09
  4. Step 4: Simplify right side
    7,485.77x = 28,681,570.01
  5. Step 5: Solve for x
    x = 28,681,570.01/7,485.77
  6. Step 6: Final answer
    x = 3,831.48

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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.