Home / 5,014.28-6,920.10-2,918.52

Finding the Fourth Proportional to 5,014.28, 6,920.10 and 2,918.52

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Solution

The fourth proportional to 5,014.28, 6,920.10 and 2,918.52 is: 4,027.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.28 : 6,920.10 = 2,918.52 : x
  2. Step 2: Convert to fraction form
    5,014.28/6,920.10 = 2,918.52/x
  3. Step 3: Cross multiply
    5,014.28x = 6,920.10 × 2,918.52
  4. Step 4: Simplify right side
    5,014.28x = 20,196,450.25
  5. Step 5: Solve for x
    x = 20,196,450.25/5,014.28
  6. Step 6: Final answer
    x = 4,027.79

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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.