Home / 7,630.58-11,440.11-3,927.86

Finding the Fourth Proportional to 7,630.58, 11,440.11 and 3,927.86

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Solution

The fourth proportional to 7,630.58, 11,440.11 and 3,927.86 is: 5,888.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.58 : 11,440.11 = 3,927.86 : x
  2. Step 2: Convert to fraction form
    7,630.58/11,440.11 = 3,927.86/x
  3. Step 3: Cross multiply
    7,630.58x = 11,440.11 × 3,927.86
  4. Step 4: Simplify right side
    7,630.58x = 44,935,150.46
  5. Step 5: Solve for x
    x = 44,935,150.46/7,630.58
  6. Step 6: Final answer
    x = 5,888.83

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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.