Home / 7,719.34-10,652.61-4,182.54

Finding the Fourth Proportional to 7,719.34, 10,652.61 and 4,182.54

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Solution

The fourth proportional to 7,719.34, 10,652.61 and 4,182.54 is: 5,771.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.34 : 10,652.61 = 4,182.54 : x
  2. Step 2: Convert to fraction form
    7,719.34/10,652.61 = 4,182.54/x
  3. Step 3: Cross multiply
    7,719.34x = 10,652.61 × 4,182.54
  4. Step 4: Simplify right side
    7,719.34x = 44,554,967.43
  5. Step 5: Solve for x
    x = 44,554,967.43/7,719.34
  6. Step 6: Final answer
    x = 5,771.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.