Home / 9,438.55-13,025.87-5,661.87

Finding the Fourth Proportional to 9,438.55, 13,025.87 and 5,661.87

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Solution

The fourth proportional to 9,438.55, 13,025.87 and 5,661.87 is: 7,813.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.55 : 13,025.87 = 5,661.87 : x
  2. Step 2: Convert to fraction form
    9,438.55/13,025.87 = 5,661.87/x
  3. Step 3: Cross multiply
    9,438.55x = 13,025.87 × 5,661.87
  4. Step 4: Simplify right side
    9,438.55x = 73,750,782.58
  5. Step 5: Solve for x
    x = 73,750,782.58/9,438.55
  6. Step 6: Final answer
    x = 7,813.79

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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.