Home / 4,648.60-6,972.90-2,185.12

Finding the Fourth Proportional to 4,648.60, 6,972.90 and 2,185.12

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Solution

The fourth proportional to 4,648.60, 6,972.90 and 2,185.12 is: 3,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,648.60 : 6,972.90 = 2,185.12 : x
  2. Step 2: Convert to fraction form
    4,648.60/6,972.90 = 2,185.12/x
  3. Step 3: Cross multiply
    4,648.60x = 6,972.90 × 2,185.12
  4. Step 4: Simplify right side
    4,648.60x = 15,236,623.25
  5. Step 5: Solve for x
    x = 15,236,623.25/4,648.60
  6. Step 6: Final answer
    x = 3,277.68

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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.