Home / 4,179.76-6,270.48-1,258.32

Finding the Fourth Proportional to 4,179.76, 6,270.48 and 1,258.32

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Solution

The fourth proportional to 4,179.76, 6,270.48 and 1,258.32 is: 1,887.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.76 : 6,270.48 = 1,258.32 : x
  2. Step 2: Convert to fraction form
    4,179.76/6,270.48 = 1,258.32/x
  3. Step 3: Cross multiply
    4,179.76x = 6,270.48 × 1,258.32
  4. Step 4: Simplify right side
    4,179.76x = 7,890,270.39
  5. Step 5: Solve for x
    x = 7,890,270.39/4,179.76
  6. Step 6: Final answer
    x = 1,887.73

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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.