Home / 7,956.48-11,938.92-5,783.20

Finding the Fourth Proportional to 7,956.48, 11,938.92 and 5,783.20

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Solution

The fourth proportional to 7,956.48, 11,938.92 and 5,783.20 is: 8,677.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.48 : 11,938.92 = 5,783.20 : x
  2. Step 2: Convert to fraction form
    7,956.48/11,938.92 = 5,783.20/x
  3. Step 3: Cross multiply
    7,956.48x = 11,938.92 × 5,783.20
  4. Step 4: Simplify right side
    7,956.48x = 69,045,162.14
  5. Step 5: Solve for x
    x = 69,045,162.14/7,956.48
  6. Step 6: Final answer
    x = 8,677.85

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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.