Home / 4,072.50-5,619.78-2,393.64

Finding the Fourth Proportional to 4,072.50, 5,619.78 and 2,393.64

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Solution

The fourth proportional to 4,072.50, 5,619.78 and 2,393.64 is: 3,303.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.50 : 5,619.78 = 2,393.64 : x
  2. Step 2: Convert to fraction form
    4,072.50/5,619.78 = 2,393.64/x
  3. Step 3: Cross multiply
    4,072.50x = 5,619.78 × 2,393.64
  4. Step 4: Simplify right side
    4,072.50x = 13,451,730.20
  5. Step 5: Solve for x
    x = 13,451,730.20/4,072.50
  6. Step 6: Final answer
    x = 3,303.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.