Home / 4,691.36-7,036.56-1,228.62

Finding the Fourth Proportional to 4,691.36, 7,036.56 and 1,228.62

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Solution

The fourth proportional to 4,691.36, 7,036.56 and 1,228.62 is: 1,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,691.36 : 7,036.56 = 1,228.62 : x
  2. Step 2: Convert to fraction form
    4,691.36/7,036.56 = 1,228.62/x
  3. Step 3: Cross multiply
    4,691.36x = 7,036.56 × 1,228.62
  4. Step 4: Simplify right side
    4,691.36x = 8,645,258.35
  5. Step 5: Solve for x
    x = 8,645,258.35/4,691.36
  6. Step 6: Final answer
    x = 1,842.80

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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.