Home / 5,719.39-8,576.34-2,430.68

Finding the Fourth Proportional to 5,719.39, 8,576.34 and 2,430.68

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Solution

The fourth proportional to 5,719.39, 8,576.34 and 2,430.68 is: 3,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.39 : 8,576.34 = 2,430.68 : x
  2. Step 2: Convert to fraction form
    5,719.39/8,576.34 = 2,430.68/x
  3. Step 3: Cross multiply
    5,719.39x = 8,576.34 × 2,430.68
  4. Step 4: Simplify right side
    5,719.39x = 20,846,338.11
  5. Step 5: Solve for x
    x = 20,846,338.11/5,719.39
  6. Step 6: Final answer
    x = 3,644.85

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1.5x scale

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.