Home / 6,502.82-9,756.02-2,120.54

Finding the Fourth Proportional to 6,502.82, 9,756.02 and 2,120.54

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Solution

The fourth proportional to 6,502.82, 9,756.02 and 2,120.54 is: 3,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,502.82 : 9,756.02 = 2,120.54 : x
  2. Step 2: Convert to fraction form
    6,502.82/9,756.02 = 2,120.54/x
  3. Step 3: Cross multiply
    6,502.82x = 9,756.02 × 2,120.54
  4. Step 4: Simplify right side
    6,502.82x = 20,688,030.65
  5. Step 5: Solve for x
    x = 20,688,030.65/6,502.82
  6. Step 6: Final answer
    x = 3,181.39

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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.