Home / 6,767.54-10,140.67-5,205.66

Finding the Fourth Proportional to 6,767.54, 10,140.67 and 5,205.66

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Solution

The fourth proportional to 6,767.54, 10,140.67 and 5,205.66 is: 7,800.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,767.54 : 10,140.67 = 5,205.66 : x
  2. Step 2: Convert to fraction form
    6,767.54/10,140.67 = 5,205.66/x
  3. Step 3: Cross multiply
    6,767.54x = 10,140.67 × 5,205.66
  4. Step 4: Simplify right side
    6,767.54x = 52,788,880.19
  5. Step 5: Solve for x
    x = 52,788,880.19/6,767.54
  6. Step 6: Final answer
    x = 7,800.31

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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.