Home / 4,320.62-6,484.14-3,212.62

Finding the Fourth Proportional to 4,320.62, 6,484.14 and 3,212.62

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Solution

The fourth proportional to 4,320.62, 6,484.14 and 3,212.62 is: 4,821.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.62 : 6,484.14 = 3,212.62 : x
  2. Step 2: Convert to fraction form
    4,320.62/6,484.14 = 3,212.62/x
  3. Step 3: Cross multiply
    4,320.62x = 6,484.14 × 3,212.62
  4. Step 4: Simplify right side
    4,320.62x = 20,831,077.85
  5. Step 5: Solve for x
    x = 20,831,077.85/4,320.62
  6. Step 6: Final answer
    x = 4,821.32

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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.