Home / 7,289.26-10,916.18-4,159.82

Finding the Fourth Proportional to 7,289.26, 10,916.18 and 4,159.82

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Solution

The fourth proportional to 7,289.26, 10,916.18 and 4,159.82 is: 6,229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.26 : 10,916.18 = 4,159.82 : x
  2. Step 2: Convert to fraction form
    7,289.26/10,916.18 = 4,159.82/x
  3. Step 3: Cross multiply
    7,289.26x = 10,916.18 × 4,159.82
  4. Step 4: Simplify right side
    7,289.26x = 45,409,343.89
  5. Step 5: Solve for x
    x = 45,409,343.89/7,289.26
  6. Step 6: Final answer
    x = 6,229.62

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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.