Home / 4,775.72-7,163.85-1,265.63

Finding the Fourth Proportional to 4,775.72, 7,163.85 and 1,265.63

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Solution

The fourth proportional to 4,775.72, 7,163.85 and 1,265.63 is: 1,898.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.72 : 7,163.85 = 1,265.63 : x
  2. Step 2: Convert to fraction form
    4,775.72/7,163.85 = 1,265.63/x
  3. Step 3: Cross multiply
    4,775.72x = 7,163.85 × 1,265.63
  4. Step 4: Simplify right side
    4,775.72x = 9,066,799.01
  5. Step 5: Solve for x
    x = 9,066,799.01/4,775.72
  6. Step 6: Final answer
    x = 1,898.52

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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.