Home / 5,314.73-7,961.14-3,118.16

Finding the Fourth Proportional to 5,314.73, 7,961.14 and 3,118.16

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Solution

The fourth proportional to 5,314.73, 7,961.14 and 3,118.16 is: 4,670.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314.73 : 7,961.14 = 3,118.16 : x
  2. Step 2: Convert to fraction form
    5,314.73/7,961.14 = 3,118.16/x
  3. Step 3: Cross multiply
    5,314.73x = 7,961.14 × 3,118.16
  4. Step 4: Simplify right side
    5,314.73x = 24,824,068.50
  5. Step 5: Solve for x
    x = 24,824,068.50/5,314.73
  6. Step 6: Final answer
    x = 4,670.81

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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.