Home / 4,622.50-6,936.48-2,431.40

Finding the Fourth Proportional to 4,622.50, 6,936.48 and 2,431.40

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Solution

The fourth proportional to 4,622.50, 6,936.48 and 2,431.40 is: 3,648.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.50 : 6,936.48 = 2,431.40 : x
  2. Step 2: Convert to fraction form
    4,622.50/6,936.48 = 2,431.40/x
  3. Step 3: Cross multiply
    4,622.50x = 6,936.48 × 2,431.40
  4. Step 4: Simplify right side
    4,622.50x = 16,865,310.63
  5. Step 5: Solve for x
    x = 16,865,310.63/4,622.50
  6. Step 6: Final answer
    x = 3,648.53

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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.