Home / 7,660.16-11,484.47-3,912.50

Finding the Fourth Proportional to 7,660.16, 11,484.47 and 3,912.50

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Solution

The fourth proportional to 7,660.16, 11,484.47 and 3,912.50 is: 5,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.16 : 11,484.47 = 3,912.50 : x
  2. Step 2: Convert to fraction form
    7,660.16/11,484.47 = 3,912.50/x
  3. Step 3: Cross multiply
    7,660.16x = 11,484.47 × 3,912.50
  4. Step 4: Simplify right side
    7,660.16x = 44,932,988.88
  5. Step 5: Solve for x
    x = 44,932,988.88/7,660.16
  6. Step 6: Final answer
    x = 5,865.80

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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.