Home / 4,859.12-7,288.76-1,396.38

Finding the Fourth Proportional to 4,859.12, 7,288.76 and 1,396.38

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Solution

The fourth proportional to 4,859.12, 7,288.76 and 1,396.38 is: 2,094.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859.12 : 7,288.76 = 1,396.38 : x
  2. Step 2: Convert to fraction form
    4,859.12/7,288.76 = 1,396.38/x
  3. Step 3: Cross multiply
    4,859.12x = 7,288.76 × 1,396.38
  4. Step 4: Simplify right side
    4,859.12x = 10,177,878.69
  5. Step 5: Solve for x
    x = 10,177,878.69/4,859.12
  6. Step 6: Final answer
    x = 2,094.59

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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.