Home / 7,390.77-11,086.06-2,125.90

Finding the Fourth Proportional to 7,390.77, 11,086.06 and 2,125.90

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Solution

The fourth proportional to 7,390.77, 11,086.06 and 2,125.90 is: 3,188.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.77 : 11,086.06 = 2,125.90 : x
  2. Step 2: Convert to fraction form
    7,390.77/11,086.06 = 2,125.90/x
  3. Step 3: Cross multiply
    7,390.77x = 11,086.06 × 2,125.90
  4. Step 4: Simplify right side
    7,390.77x = 23,567,854.95
  5. Step 5: Solve for x
    x = 23,567,854.95/7,390.77
  6. Step 6: Final answer
    x = 3,188.82

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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.