Home / 7,951.18-11,927.32-3,790.48

Finding the Fourth Proportional to 7,951.18, 11,927.32 and 3,790.48

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Solution

The fourth proportional to 7,951.18, 11,927.32 and 3,790.48 is: 5,685.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.18 : 11,927.32 = 3,790.48 : x
  2. Step 2: Convert to fraction form
    7,951.18/11,927.32 = 3,790.48/x
  3. Step 3: Cross multiply
    7,951.18x = 11,927.32 × 3,790.48
  4. Step 4: Simplify right side
    7,951.18x = 45,210,267.91
  5. Step 5: Solve for x
    x = 45,210,267.91/7,951.18
  6. Step 6: Final answer
    x = 5,685.98

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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.