Home / 7,719.65-11,563.07-4,424.57

Finding the Fourth Proportional to 7,719.65, 11,563.07 and 4,424.57

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Solution

The fourth proportional to 7,719.65, 11,563.07 and 4,424.57 is: 6,627.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.65 : 11,563.07 = 4,424.57 : x
  2. Step 2: Convert to fraction form
    7,719.65/11,563.07 = 4,424.57/x
  3. Step 3: Cross multiply
    7,719.65x = 11,563.07 × 4,424.57
  4. Step 4: Simplify right side
    7,719.65x = 51,161,532.69
  5. Step 5: Solve for x
    x = 51,161,532.69/7,719.65
  6. Step 6: Final answer
    x = 6,627.45

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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.