Home / 5,315.41-7,975.85-2,393.03

Finding the Fourth Proportional to 5,315.41, 7,975.85 and 2,393.03

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Solution

The fourth proportional to 5,315.41, 7,975.85 and 2,393.03 is: 3,590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.41 : 7,975.85 = 2,393.03 : x
  2. Step 2: Convert to fraction form
    5,315.41/7,975.85 = 2,393.03/x
  3. Step 3: Cross multiply
    5,315.41x = 7,975.85 × 2,393.03
  4. Step 4: Simplify right side
    5,315.41x = 19,086,448.33
  5. Step 5: Solve for x
    x = 19,086,448.33/5,315.41
  6. Step 6: Final answer
    x = 3,590.78

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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.