Home / 7,485.36-11,228.15-3,588.86

Finding the Fourth Proportional to 7,485.36, 11,228.15 and 3,588.86

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Solution

The fourth proportional to 7,485.36, 11,228.15 and 3,588.86 is: 5,383.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.36 : 11,228.15 = 3,588.86 : x
  2. Step 2: Convert to fraction form
    7,485.36/11,228.15 = 3,588.86/x
  3. Step 3: Cross multiply
    7,485.36x = 11,228.15 × 3,588.86
  4. Step 4: Simplify right side
    7,485.36x = 40,296,258.41
  5. Step 5: Solve for x
    x = 40,296,258.41/7,485.36
  6. Step 6: Final answer
    x = 5,383.34

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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.