Home / 7,234.20-9,980.66-4,400.68

Finding the Fourth Proportional to 7,234.20, 9,980.66 and 4,400.68

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Solution

The fourth proportional to 7,234.20, 9,980.66 and 4,400.68 is: 6,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,234.20 : 9,980.66 = 4,400.68 : x
  2. Step 2: Convert to fraction form
    7,234.20/9,980.66 = 4,400.68/x
  3. Step 3: Cross multiply
    7,234.20x = 9,980.66 × 4,400.68
  4. Step 4: Simplify right side
    7,234.20x = 43,921,690.85
  5. Step 5: Solve for x
    x = 43,921,690.85/7,234.20
  6. Step 6: Final answer
    x = 6,071.40

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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.