Home / 5,651.45-8,482.43-2,880.20

Finding the Fourth Proportional to 5,651.45, 8,482.43 and 2,880.20

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Solution

The fourth proportional to 5,651.45, 8,482.43 and 2,880.20 is: 4,322.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.45 : 8,482.43 = 2,880.20 : x
  2. Step 2: Convert to fraction form
    5,651.45/8,482.43 = 2,880.20/x
  3. Step 3: Cross multiply
    5,651.45x = 8,482.43 × 2,880.20
  4. Step 4: Simplify right side
    5,651.45x = 24,431,112.49
  5. Step 5: Solve for x
    x = 24,431,112.49/5,651.45
  6. Step 6: Final answer
    x = 4,322.98

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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.