Home / 7,688.79-11,523.60-3,301.16

Finding the Fourth Proportional to 7,688.79, 11,523.60 and 3,301.16

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Solution

The fourth proportional to 7,688.79, 11,523.60 and 3,301.16 is: 4,947.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.79 : 11,523.60 = 3,301.16 : x
  2. Step 2: Convert to fraction form
    7,688.79/11,523.60 = 3,301.16/x
  3. Step 3: Cross multiply
    7,688.79x = 11,523.60 × 3,301.16
  4. Step 4: Simplify right side
    7,688.79x = 38,041,189.76
  5. Step 5: Solve for x
    x = 38,041,189.76/7,688.79
  6. Step 6: Final answer
    x = 4,947.62

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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.