Home / 6,505.31-8,977.43-3,710.81

Finding the Fourth Proportional to 6,505.31, 8,977.43 and 3,710.81

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Solution

The fourth proportional to 6,505.31, 8,977.43 and 3,710.81 is: 5,120.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.31 : 8,977.43 = 3,710.81 : x
  2. Step 2: Convert to fraction form
    6,505.31/8,977.43 = 3,710.81/x
  3. Step 3: Cross multiply
    6,505.31x = 8,977.43 × 3,710.81
  4. Step 4: Simplify right side
    6,505.31x = 33,313,568.74
  5. Step 5: Solve for x
    x = 33,313,568.74/6,505.31
  6. Step 6: Final answer
    x = 5,120.98

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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.