Home / 4,722.59-7,078.86-2,254.02

Finding the Fourth Proportional to 4,722.59, 7,078.86 and 2,254.02

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Solution

The fourth proportional to 4,722.59, 7,078.86 and 2,254.02 is: 3,378.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.59 : 7,078.86 = 2,254.02 : x
  2. Step 2: Convert to fraction form
    4,722.59/7,078.86 = 2,254.02/x
  3. Step 3: Cross multiply
    4,722.59x = 7,078.86 × 2,254.02
  4. Step 4: Simplify right side
    4,722.59x = 15,955,892.02
  5. Step 5: Solve for x
    x = 15,955,892.02/4,722.59
  6. Step 6: Final answer
    x = 3,378.64

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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.