Home / 4,455.20-6,688.20-2,262.80

Finding the Fourth Proportional to 4,455.20, 6,688.20 and 2,262.80

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Solution

The fourth proportional to 4,455.20, 6,688.20 and 2,262.80 is: 3,396.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.20 : 6,688.20 = 2,262.80 : x
  2. Step 2: Convert to fraction form
    4,455.20/6,688.20 = 2,262.80/x
  3. Step 3: Cross multiply
    4,455.20x = 6,688.20 × 2,262.80
  4. Step 4: Simplify right side
    4,455.20x = 15,134,058.96
  5. Step 5: Solve for x
    x = 15,134,058.96/4,455.20
  6. Step 6: Final answer
    x = 3,396.94

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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.