Home / 7,976.89-11,967.12-2,430.67

Finding the Fourth Proportional to 7,976.89, 11,967.12 and 2,430.67

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Solution

The fourth proportional to 7,976.89, 11,967.12 and 2,430.67 is: 3,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.89 : 11,967.12 = 2,430.67 : x
  2. Step 2: Convert to fraction form
    7,976.89/11,967.12 = 2,430.67/x
  3. Step 3: Cross multiply
    7,976.89x = 11,967.12 × 2,430.67
  4. Step 4: Simplify right side
    7,976.89x = 29,088,119.57
  5. Step 5: Solve for x
    x = 29,088,119.57/7,976.89
  6. Step 6: Final answer
    x = 3,646.55

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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.