Home / 6,408.85-9,612.45-2,512.75

Finding the Fourth Proportional to 6,408.85, 9,612.45 and 2,512.75

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Solution

The fourth proportional to 6,408.85, 9,612.45 and 2,512.75 is: 3,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.85 : 9,612.45 = 2,512.75 : x
  2. Step 2: Convert to fraction form
    6,408.85/9,612.45 = 2,512.75/x
  3. Step 3: Cross multiply
    6,408.85x = 9,612.45 × 2,512.75
  4. Step 4: Simplify right side
    6,408.85x = 24,153,683.74
  5. Step 5: Solve for x
    x = 24,153,683.74/6,408.85
  6. Step 6: Final answer
    x = 3,768.80

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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.