Home / 4,768.28-7,151.60-1,258.32

Finding the Fourth Proportional to 4,768.28, 7,151.60 and 1,258.32

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Solution

The fourth proportional to 4,768.28, 7,151.60 and 1,258.32 is: 1,887.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.28 : 7,151.60 = 1,258.32 : x
  2. Step 2: Convert to fraction form
    4,768.28/7,151.60 = 1,258.32/x
  3. Step 3: Cross multiply
    4,768.28x = 7,151.60 × 1,258.32
  4. Step 4: Simplify right side
    4,768.28x = 8,998,959.26
  5. Step 5: Solve for x
    x = 8,998,959.26/4,768.28
  6. Step 6: Final answer
    x = 1,887.26

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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.