Home / 5,015.52-6,919.44-3,126

Finding the Fourth Proportional to 5,015.52, 6,919.44 and 3,126

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Solution

The fourth proportional to 5,015.52, 6,919.44 and 3,126 is: 4,312.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.52 : 6,919.44 = 3,126 : x
  2. Step 2: Convert to fraction form
    5,015.52/6,919.44 = 3,126/x
  3. Step 3: Cross multiply
    5,015.52x = 6,919.44 × 3,126
  4. Step 4: Simplify right side
    5,015.52x = 21,630,169.44
  5. Step 5: Solve for x
    x = 21,630,169.44/5,015.52
  6. Step 6: Final answer
    x = 4,312.65

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Why These Related Problems?

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