Home / 5,089.35-7,629.69-2,315.05

Finding the Fourth Proportional to 5,089.35, 7,629.69 and 2,315.05

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Solution

The fourth proportional to 5,089.35, 7,629.69 and 2,315.05 is: 3,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.35 : 7,629.69 = 2,315.05 : x
  2. Step 2: Convert to fraction form
    5,089.35/7,629.69 = 2,315.05/x
  3. Step 3: Cross multiply
    5,089.35x = 7,629.69 × 2,315.05
  4. Step 4: Simplify right side
    5,089.35x = 17,663,103.44
  5. Step 5: Solve for x
    x = 17,663,103.44/5,089.35
  6. Step 6: Final answer
    x = 3,470.60

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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.