Home / 4,745.04-7,107.64-3,815.57

Finding the Fourth Proportional to 4,745.04, 7,107.64 and 3,815.57

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Solution

The fourth proportional to 4,745.04, 7,107.64 and 3,815.57 is: 5,715.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.04 : 7,107.64 = 3,815.57 : x
  2. Step 2: Convert to fraction form
    4,745.04/7,107.64 = 3,815.57/x
  3. Step 3: Cross multiply
    4,745.04x = 7,107.64 × 3,815.57
  4. Step 4: Simplify right side
    4,745.04x = 27,119,697.95
  5. Step 5: Solve for x
    x = 27,119,697.95/4,745.04
  6. Step 6: Final answer
    x = 5,715.38

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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.