Home / 7,825.83-11,742.57-3,442.74

Finding the Fourth Proportional to 7,825.83, 11,742.57 and 3,442.74

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Solution

The fourth proportional to 7,825.83, 11,742.57 and 3,442.74 is: 5,165.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.83 : 11,742.57 = 3,442.74 : x
  2. Step 2: Convert to fraction form
    7,825.83/11,742.57 = 3,442.74/x
  3. Step 3: Cross multiply
    7,825.83x = 11,742.57 × 3,442.74
  4. Step 4: Simplify right side
    7,825.83x = 40,426,615.44
  5. Step 5: Solve for x
    x = 40,426,615.44/7,825.83
  6. Step 6: Final answer
    x = 5,165.79

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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.