Home / 5,106.99-7,651.85-2,475.78

Finding the Fourth Proportional to 5,106.99, 7,651.85 and 2,475.78

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Solution

The fourth proportional to 5,106.99, 7,651.85 and 2,475.78 is: 3,709.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.99 : 7,651.85 = 2,475.78 : x
  2. Step 2: Convert to fraction form
    5,106.99/7,651.85 = 2,475.78/x
  3. Step 3: Cross multiply
    5,106.99x = 7,651.85 × 2,475.78
  4. Step 4: Simplify right side
    5,106.99x = 18,944,284.81
  5. Step 5: Solve for x
    x = 18,944,284.81/5,106.99
  6. Step 6: Final answer
    x = 3,709.48

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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.