Home / 6,120.43-8,442.43-5,336.35

Finding the Fourth Proportional to 6,120.43, 8,442.43 and 5,336.35

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Solution

The fourth proportional to 6,120.43, 8,442.43 and 5,336.35 is: 7,360.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.43 : 8,442.43 = 5,336.35 : x
  2. Step 2: Convert to fraction form
    6,120.43/8,442.43 = 5,336.35/x
  3. Step 3: Cross multiply
    6,120.43x = 8,442.43 × 5,336.35
  4. Step 4: Simplify right side
    6,120.43x = 45,051,761.33
  5. Step 5: Solve for x
    x = 45,051,761.33/6,120.43
  6. Step 6: Final answer
    x = 7,360.88

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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.