Home / 7,931.63-11,896.98-2,384.85

Finding the Fourth Proportional to 7,931.63, 11,896.98 and 2,384.85

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Solution

The fourth proportional to 7,931.63, 11,896.98 and 2,384.85 is: 3,577.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.63 : 11,896.98 = 2,384.85 : x
  2. Step 2: Convert to fraction form
    7,931.63/11,896.98 = 2,384.85/x
  3. Step 3: Cross multiply
    7,931.63x = 11,896.98 × 2,384.85
  4. Step 4: Simplify right side
    7,931.63x = 28,372,512.75
  5. Step 5: Solve for x
    x = 28,372,512.75/7,931.63
  6. Step 6: Final answer
    x = 3,577.14

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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.