Home / 7,449.37-11,178.67-4,330.85

Finding the Fourth Proportional to 7,449.37, 11,178.67 and 4,330.85

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Solution

The fourth proportional to 7,449.37, 11,178.67 and 4,330.85 is: 6,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.37 : 11,178.67 = 4,330.85 : x
  2. Step 2: Convert to fraction form
    7,449.37/11,178.67 = 4,330.85/x
  3. Step 3: Cross multiply
    7,449.37x = 11,178.67 × 4,330.85
  4. Step 4: Simplify right side
    7,449.37x = 48,413,092.49
  5. Step 5: Solve for x
    x = 48,413,092.49/7,449.37
  6. Step 6: Final answer
    x = 6,498.95

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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.