Home / 7,990.12-11,025.86-4,404.89

Finding the Fourth Proportional to 7,990.12, 11,025.86 and 4,404.89

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Solution

The fourth proportional to 7,990.12, 11,025.86 and 4,404.89 is: 6,078.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.12 : 11,025.86 = 4,404.89 : x
  2. Step 2: Convert to fraction form
    7,990.12/11,025.86 = 4,404.89/x
  3. Step 3: Cross multiply
    7,990.12x = 11,025.86 × 4,404.89
  4. Step 4: Simplify right side
    7,990.12x = 48,567,712.15
  5. Step 5: Solve for x
    x = 48,567,712.15/7,990.12
  6. Step 6: Final answer
    x = 6,078.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.