Home / 5,408.15-8,106.02-2,480.31

Finding the Fourth Proportional to 5,408.15, 8,106.02 and 2,480.31

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Solution

The fourth proportional to 5,408.15, 8,106.02 and 2,480.31 is: 3,717.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.15 : 8,106.02 = 2,480.31 : x
  2. Step 2: Convert to fraction form
    5,408.15/8,106.02 = 2,480.31/x
  3. Step 3: Cross multiply
    5,408.15x = 8,106.02 × 2,480.31
  4. Step 4: Simplify right side
    5,408.15x = 20,105,441.92
  5. Step 5: Solve for x
    x = 20,105,441.92/5,408.15
  6. Step 6: Final answer
    x = 3,717.62

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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.