Home / 7,587.57-11,385.69-2,660.88

Finding the Fourth Proportional to 7,587.57, 11,385.69 and 2,660.88

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Solution

The fourth proportional to 7,587.57, 11,385.69 and 2,660.88 is: 3,992.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.57 : 11,385.69 = 2,660.88 : x
  2. Step 2: Convert to fraction form
    7,587.57/11,385.69 = 2,660.88/x
  3. Step 3: Cross multiply
    7,587.57x = 11,385.69 × 2,660.88
  4. Step 4: Simplify right side
    7,587.57x = 30,295,954.81
  5. Step 5: Solve for x
    x = 30,295,954.81/7,587.57
  6. Step 6: Final answer
    x = 3,992.84

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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.