Home / 6,515.38-9,750-4,051.36

Finding the Fourth Proportional to 6,515.38, 9,750 and 4,051.36

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Solution

The fourth proportional to 6,515.38, 9,750 and 4,051.36 is: 6,062.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.38 : 9,750 = 4,051.36 : x
  2. Step 2: Convert to fraction form
    6,515.38/9,750 = 4,051.36/x
  3. Step 3: Cross multiply
    6,515.38x = 9,750 × 4,051.36
  4. Step 4: Simplify right side
    6,515.38x = 39,500,760
  5. Step 5: Solve for x
    x = 39,500,760/6,515.38
  6. Step 6: Final answer
    x = 6,062.69

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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.