Home / 5,465.60-7,542.50-3,107.72

Finding the Fourth Proportional to 5,465.60, 7,542.50 and 3,107.72

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Solution

The fourth proportional to 5,465.60, 7,542.50 and 3,107.72 is: 4,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.60 : 7,542.50 = 3,107.72 : x
  2. Step 2: Convert to fraction form
    5,465.60/7,542.50 = 3,107.72/x
  3. Step 3: Cross multiply
    5,465.60x = 7,542.50 × 3,107.72
  4. Step 4: Simplify right side
    5,465.60x = 23,439,978.10
  5. Step 5: Solve for x
    x = 23,439,978.10/5,465.60
  6. Step 6: Final answer
    x = 4,288.64

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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.