Home / 4,647.20-6,962.68-3,872.18

Finding the Fourth Proportional to 4,647.20, 6,962.68 and 3,872.18

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Solution

The fourth proportional to 4,647.20, 6,962.68 and 3,872.18 is: 5,801.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.20 : 6,962.68 = 3,872.18 : x
  2. Step 2: Convert to fraction form
    4,647.20/6,962.68 = 3,872.18/x
  3. Step 3: Cross multiply
    4,647.20x = 6,962.68 × 3,872.18
  4. Step 4: Simplify right side
    4,647.20x = 26,960,750.24
  5. Step 5: Solve for x
    x = 26,960,750.24/4,647.20
  6. Step 6: Final answer
    x = 5,801.50

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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.