Home / 7,425.82-10,258.76-4,879.64

Finding the Fourth Proportional to 7,425.82, 10,258.76 and 4,879.64

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Solution

The fourth proportional to 7,425.82, 10,258.76 and 4,879.64 is: 6,741.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.82 : 10,258.76 = 4,879.64 : x
  2. Step 2: Convert to fraction form
    7,425.82/10,258.76 = 4,879.64/x
  3. Step 3: Cross multiply
    7,425.82x = 10,258.76 × 4,879.64
  4. Step 4: Simplify right side
    7,425.82x = 50,059,004.35
  5. Step 5: Solve for x
    x = 50,059,004.35/7,425.82
  6. Step 6: Final answer
    x = 6,741.21

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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.