Home / 4,320.66-6,478.74-2,241.78

Finding the Fourth Proportional to 4,320.66, 6,478.74 and 2,241.78

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Solution

The fourth proportional to 4,320.66, 6,478.74 and 2,241.78 is: 3,361.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.66 : 6,478.74 = 2,241.78 : x
  2. Step 2: Convert to fraction form
    4,320.66/6,478.74 = 2,241.78/x
  3. Step 3: Cross multiply
    4,320.66x = 6,478.74 × 2,241.78
  4. Step 4: Simplify right side
    4,320.66x = 14,523,909.76
  5. Step 5: Solve for x
    x = 14,523,909.76/4,320.66
  6. Step 6: Final answer
    x = 3,361.50

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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.