Home / 5,437.13-8,147.39-3,880.41

Finding the Fourth Proportional to 5,437.13, 8,147.39 and 3,880.41

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Solution

The fourth proportional to 5,437.13, 8,147.39 and 3,880.41 is: 5,814.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.13 : 8,147.39 = 3,880.41 : x
  2. Step 2: Convert to fraction form
    5,437.13/8,147.39 = 3,880.41/x
  3. Step 3: Cross multiply
    5,437.13x = 8,147.39 × 3,880.41
  4. Step 4: Simplify right side
    5,437.13x = 31,615,163.68
  5. Step 5: Solve for x
    x = 31,615,163.68/5,437.13
  6. Step 6: Final answer
    x = 5,814.68

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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.