Home / 7,984.35-11,961.93-5,787.63

Finding the Fourth Proportional to 7,984.35, 11,961.93 and 5,787.63

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Solution

The fourth proportional to 7,984.35, 11,961.93 and 5,787.63 is: 8,670.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.35 : 11,961.93 = 5,787.63 : x
  2. Step 2: Convert to fraction form
    7,984.35/11,961.93 = 5,787.63/x
  3. Step 3: Cross multiply
    7,984.35x = 11,961.93 × 5,787.63
  4. Step 4: Simplify right side
    7,984.35x = 69,231,224.93
  5. Step 5: Solve for x
    x = 69,231,224.93/7,984.35
  6. Step 6: Final answer
    x = 8,670.87

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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.