Home / 4,420.42-6,631.99-2,228.40

Finding the Fourth Proportional to 4,420.42, 6,631.99 and 2,228.40

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Solution

The fourth proportional to 4,420.42, 6,631.99 and 2,228.40 is: 3,343.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.42 : 6,631.99 = 2,228.40 : x
  2. Step 2: Convert to fraction form
    4,420.42/6,631.99 = 2,228.40/x
  3. Step 3: Cross multiply
    4,420.42x = 6,631.99 × 2,228.40
  4. Step 4: Simplify right side
    4,420.42x = 14,778,720.95
  5. Step 5: Solve for x
    x = 14,778,720.95/4,420.42
  6. Step 6: Final answer
    x = 3,343.29

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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.