Home / 5,117.76-7,064.28-3,021.75

Finding the Fourth Proportional to 5,117.76, 7,064.28 and 3,021.75

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Solution

The fourth proportional to 5,117.76, 7,064.28 and 3,021.75 is: 4,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.76 : 7,064.28 = 3,021.75 : x
  2. Step 2: Convert to fraction form
    5,117.76/7,064.28 = 3,021.75/x
  3. Step 3: Cross multiply
    5,117.76x = 7,064.28 × 3,021.75
  4. Step 4: Simplify right side
    5,117.76x = 21,346,488.09
  5. Step 5: Solve for x
    x = 21,346,488.09/5,117.76
  6. Step 6: Final answer
    x = 4,171.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.